| SIGNIFICANT ACCOUNTING POLICIES (Policies) | 12 Months Ended | 
|---|---|
| Dec. 31, 2024 | |
| Significant Accounting Policies [Abstract] | |
| Nature of Operations | Nature of Operations  Capital City Bank Group, Inc. (“CCBG”) provides a full range of banking corporate clients through its wholly-owned subsidiary, “Company”), with banking offices located in Florida, financial institutions, is subject to regulation by certain government agencies regulatory authorities. | 
| Basis of Presentation | Basis of Presentation  The consolidated financial statements include the accounts of CCBG Capital City Strategic Wealth, Company and Capital City Investments. On March 1, 2020, CCB acquired 51 % membership interest in Brand Mortgage Group,  LLC (“Brand”) which is now operated as Capital City Home Loans, LLC financial statements. As part of the transaction, CCHL’s from BMG the remaining  49 % of CCHL’s 49 % Interest”). an agreement with BMG to transfer the  49 % Interest to CCB, effective January 1, 2025. its put option in CCHL’s The Company, which operates Florida, Georgia, and Alabama, follows accounting principles generally practices applicable to the banking industry. and cash flows are summarized below. The Company determines whether it has a controlling financial interest in an voting interest entity or a variable interest entity under accounting principles Voting independently and provide the equity holders with the obligation to absorb losses, the right to make decisions about the entity’s least a majority of, the voting interest. entities that lack one or more of the characteristics of a voting interest entity. present when an enterprise has a variable interest, or a combination of variable expected losses, receive a majority of the entity’s interest, known as the primary beneficiary, Trust I (established November 1, 2004) and is not the primary beneficiary. financial statements.  Certain previously reported amounts have been reclassified to conform company transactions and accounts have been eliminated in consolidation. potential recognition and/or disclosure through the date the consolidated Form 10-K were filed with the United States Securities and Exchange | 
| Use of Estimates | Use of Estimates The preparation of financial statements in conformity with accounting America requires management to make estimates and assumptions that affect disclosure of contingent assets and liabilities at the date of financial statements and expenses during the reporting period. susceptible to significant changes in the near-term income taxes, loss contingencies, valuation of other real estate owned, and impairment. | 
| Cash and Cash Equivalents | Cash and Cash Equivalents Cash and cash equivalents include cash and due from banks, interest-bearing sold. Generally, days or less. The Company maintains certain cash balances that are restricted under agreements. 0.1 | 
| Investment Securities | Investment Securities Investment securities are classified as held-to-maturity (“HTM”) and intent and ability to hold them until maturity. (“AFS”) and carried at fair value. equity securities that do not have readily determinable fair values, impaired or upon observable transaction prices. of purchase. the security which correlates to its risk profile: U.S. government treasury, subdivisions, mortgage-backed securities, as stock in the Federal Reserve Bank and the Federal Home Loan Bank, Interest income includes amortization and accretion of purchase premiums from the amortized cost of the security sold. determined using the specific identification method. or minus any unrealized gain or loss at the time of transfer. accumulated other comprehensive loss (net of tax) and amortized as an adjustment the security. credit losses on the transferred security is evaluated in accordance with the any allowance amounts reversed or established as part of the transfer of Income. The accrual of interest is generally suspended on securities more than a security is placed on nonaccrual status, all previously accrued and uncollected interest thus not included in the estimate of credit losses. Credit losses and changes thereto, are established as an allowance for Losses are charged against the allowance when management either of the criteria regarding intent or requirement to sell is met.  Certain debt securities in the Company’s explicitly or implicitly guaranteed by the U.S. government. securities indicates that the expectation of nonpayment of the amortized technically default. government guaranteed treasuries. credit losses due to the zero loss assumption.  Impairment - Available .  Unrealized gains on AFS securities are excluded from earnings and securities that are in an unrealized loss position, the Company first assesses whether it intends than not it will be required to sell the security before recovery of or requirement to sell is met, the security’s that do not meet the aforementioned criteria or have a zero loss assumption, value has resulted from credit losses or other factors. value is less than amortized cost, any changes to the rating of the security related to the security, be collected from the security are compared to the amortized cost basis of the security. expected to be collected is less than the amortized cost basis, a credit through a provision for credit loss expense, limited by the amount that fair impairment that is not credit related is recognized in other comprehensive Allowance for Credit Losses - Held-to-Maturity Management measures expected credit losses on each individual HTM debt assumption. the difference between the discounted value amortized basis of the security. provision for credit loss expense. See Note 2 – Investment Securities for | 
| Loans Held for Investment | Loans Held for Investment Loans held for investment (“HFI”) are stated at amortized cost which includes and discounts, and net deferred loan fees and costs. included in the amortized cost basis of loans. principal balances and includes loan late fees. amortized over the life of the loan as a yield adjustment. The Company defines loans as past due when one full payment is past due or accrual of interest is generally suspended on loans more than 90 days past placed on nonaccrual status, all previously accrued and uncollected election has been made to not include accrued interest in the estimate of credit recognized when the ultimate collectability is no longer considered doubtful. principal and interest amounts contractually due are brought current Loan charge-offs on commercial and loan confirm the loan is not fully collectible and the loss is reasonably quantifiable. determinations are the borrower’s and any guarantor’s (if applicable), and collateral value. Examination Council’s Uniform classification and treatment of consumer loans, which generally require The Company has adopted comprehensive lending policies, underwriting maximize loan income within an acceptable level of risk. concentrations, loan delinquencies, nonperforming and potential problem review of loan portfolio quality and trends by Management and the Credit estimating the allowance for credit losses. See Note 3 – Loans Held for Investment additional information. | 
| Allowance for Credit Losses | Allowance for Credit Losses The allowance for credit losses is a valuation account that is deducted from amount expected to be collected on the loans. reported in earnings, and reduced by the charge-off allowance when management believes the uncollectability of a loan aggregate of amounts previously charged-off off-balance sheet credit exposures is provided for through the credit Management estimates the allowance balance using relevant available past events, current conditions, and reasonable and supportable forecasts. basis for the estimation of expected credit losses. current conditions and forecasts. The methodology for estimating the amount of credit losses reported in first, an asset-specific component involving loans that do not share risk losses for such individual loans; and second, a pooled component for risk characteristics. Loans That Do Not Share Risk Characteristics (Individually Loans that do not share similar risk characteristics are evaluated on an individual have differing risk characteristics and are individually dependent when the borrower is experiencing financial difficulty sale of the underlying collateral. measured based on the difference between the fair asset. by Financial Accounting Standards Board (“FASB”) expected credit loss under the same approach as those loans where foreclosure $250,000, balances less than $250,000, the Company has made a policy election to loss rates for similar loan types. Loans That Share Similar Risk Characteristics (Pooled The general steps in determining expected credit losses for the pooled ● Segment loans into pools according to similar risk characteristics  ● Develop historical loss rates for each loan pool segment  ● Incorporate the impact of forecasts  ● Incorporate the impact of other qualitative factors ● Calculate and review pool specific allowance for credit loss estimate  A discounted cash flow methodology is utilized to calculate expected discounted present value of expected cash flow is then compared estimate. The primary inputs used to calculate expected cash flows include historical and loss given default (“LGD”), and prepayment rates. rate and is based on management’s assessment the Company’s risk rating process are reflect the historical average net loss rate by loan pool. prepayments which will vary by loan segment and interest rate conditions. prepayment rates occurring in the loan portfolio and consideration of forecasted In developing loss rates, adjustments are made to incorporate the impact applied, including the length of the forecast and reversion periods. able to make a reasonable and supportable assessment of future conditions. management believes it can develop a reasonable and supportable forecast, the use of historical default and loss rates. and reversion periods are periodically evaluated and based on management’s may vary by loan pool. utilizes established industry and economic data points and sources, the forecasted unemployment rate being a significant factor. on management’s assessment of Reversion period PD rates reflect the difference between adjustment over the reversion period. Loss rates are further adjusted to account for other risk factors that impact loan on management’s assessment of and external factors that are independent of and not reflected in the quantitative considers in this assessment include trends in underwriting standards, loan review systems, collateral valuations, concentrations, legal/regulatory/political natural disasters.  Allowance for Credit Losses on Off-Balance The Company estimates expected credit losses over the contractual period contractual obligation to extend credit, unless that obligation is unconditionally credit losses on off-balance sheet credit exposures is adjusted as a provision liabilities. on commitments expected to be funded over its estimated life and applies the outstanding loan balances by segment. the allowance for credit losses with similar risk characteristics that have and Contingencies for additional information. | 
| Mortgage Banking Activities | Mortgage Banking Activities  Mortgage Loans Held for Sale and Revenue Recognition  Mortgage loans held for sale (“HFS”) are carried at fair value under the fair value mortgage banking revenues on the Consolidated Statements of to investors is calculated using observable market information such mandatory delivery commitment prices. The Company bases loans (“FNMA”), Government National Mortgage Association (“GNMA”), investors based on the Agency’s quoted not committed to investors is based on quoted best execution secondary value is determined using quoted prices for a similar asset or assets, such as MBS prices, loan, which would be used by other market participants.  Gains and losses from the sale of mortgage loans held for sale are recognized based proceeds and carrying value of the related loans upon sale and are recorded Statements of Income. Sales proceeds reflect the cash received from investors premium. If the related mortgage loan is sold with servicing retained, the on the Consolidated Statements of Income. with the changes in the fair value of mortgage loans held for sale, and the instruments.  Mortgage loans held for sale are considered sold when the Company surrenders considered to have been surrendered when the transferred assets have been Company and its creditors; the purchaser obtains the right (free of conditions to pledge or exchange the transferred assets; and the Company does not through either an agreement that both entitles and obligates the Company their maturity or the ability to unilaterally cause the holder to return specific criteria to have been met upon acceptance and receipt of sales proceeds GNMA optional repurchase programs allow financial institutions to buy certain criteria from the securitized loan pool for which the institution provides servicing. GNMA’s remaining principal balance of the loan. considered a conditional option until the delinquency criteria are met, Company is deemed to have regained effective control longer be reported as sold and must be brought back onto the Consolidated whether there is intent to exercise the buy-back option. reported in other liabilities. Derivative Instruments (IRLC/Forward Commitments) The Company holds and issues derivative financial instruments such as interest forward sale commitments. IRLCs are subject to price risk primarily interest rate risk on certain IRLCs, the Company uses forward sale commitments, mandatory delivery commitments with investors. Management fair value opposite to the changes in fair value of the IRLCs thereby reducing also used to hedge the interest rate risk on mortgage loans held for sale that price risk. If the mandatory delivery commitments are not fulfilled, the commitments are also executed with investors, whereby certain loans to an investor at a fixed price. If the best effort IRLC does not fund, The Company considers various factors and strategies in determining held for sale to economically hedge. Consolidated Statements of Financial Condition at their fair value. recognized in mortgage banking revenues on the Consolidated Statements losses resulting from the pairing-out of forward sale commitments are Consolidated Statements of Income. The Company accounts for and does not designate any for hedge accounting.  Mortgage Servicing Rights (“MSRs”) and Revenue Recognition The Company sells residential mortgage loans in the secondary market and sale, an MSR asset is capitalized, which represents the then current fair value of performing servicing activities. fair value measurement method, the Company follows the amortization (other income) in proportion to and over the period of estimated net servicing reporting date. value, and included in other assets, net, on the Consolidated Statements of The Company periodically evaluates its MSRs asset for impairment. date using estimated prepayment speeds of the underlying mortgage characteristics of the underlying loans (predominantly loan type and note prepayment speeds are usually faster and the value of the MSRs asset generally Conversely, as mortgage increases, requiring less valuation reserve. amortized cost of the MSRs exceeds the estimated fair value by stratification. temporary impairment no longer exists for a stratification, the valuation temporary impairment (i.e., recoverability is considered remote when recognized as a write-down of the MSRs asset and the related valuation allowance available) and then against earnings. valuation allowance, precluding subsequent recoveries. See Note 4 – | 
| Derivative/Hedging Activities | Derivative/Hedging Activities  At the inception of a derivative contract, the Company designates the derivative intentions and belief as to the likely effectiveness as a hedge. These asset or liability or of an unrecognized firm commitment (“fair value variability of cash flows to be received or paid related to a recognized with no hedging designation (“standalone derivative”). For a fair value hedge, offsetting loss or gain on the hedged item, are recognized gain or loss on the derivative is reported in other comprehensive income during which the hedged transaction affects earnings. not highly effective in hedging the changes in fair value current earnings. Net cash settlements on derivatives that qualify for expense, based on the item being hedged. Net cash settlements on derivatives reported in non-interest income. Cash flows on hedges are classified in the cash flow items being hedged.  The Company formally documents the relationship between derivatives objective and the strategy for undertaking hedge transactions at the inception includes linking fair value or cash flow hedges to specific assets and liabilities on Condition or to specific firm commitments or forecasted transactions. The inception and on an ongoing basis, whether the derivative instruments that are fair values or cash flows of the hedged items. The Company discontinues is no longer effective in offsetting changes in the terminates, a hedged forecasted transaction is no longer probable, a hedged derivative as a hedge is no longer appropriate or intended. When hedge value of the derivative are recorded as non-interest income. When is no longer adjusted for changes in fair value and the existing basis adjustment the asset or liability. When expected to occur, gains or losses that were accumulated same periods, in which the hedged transactions will affect | 
| Long-Lived Assets | Long-Lived Assets Premises and equipment is stated at cost less accumulated depreciation, useful lives for each type of asset with premises being depreciated over 10 40 depreciated over a range of  3 10 depreciated over the lesser of the useful life or the remaining lease term. expense as incurred.  Long-lived assets are evaluated for impairment if circumstances suggest that their comparing the carrying value to estimated undiscounted cash flows. recorded equal to the carrying value less the fair value. See Note 6 – Premises and | 
| Leases | Leases  The Company has entered into various operating leases, primarily for terms from one to ten years. at the Company’s sole discretion. Certain leases contain early termination options. calculation of the operating right-of-use assets or operating lease liabilities. adjustments to rental payments for inflation. the present value of the lease payments not yet paid, discounted using incremental borrowing rate. incremental borrowing rate at the commencement date in determining borrowing rate is based on the term of the lease. measured at (i) the initial measurement of the lease liability; (ii) any lease payments commencement date less any lease incentives received; and (iii) any initial direct initial term of 12 months or less are not recorded on the Consolidated Statement leases, lease expense is recognized on a straight-line basis over the lease term. leases. See Note 7 – Leases for additional information. | 
| Bank Owned Life Insurance | Bank Owned Life Insurance  The Company, through insurance is recorded at the amount that can be realized under the insurance contract which is the cash surrender value adjusted for other charges or | 
| Goodwill and Other Intangibles | Goodwill and Other Intangibles Goodwill represents the excess of the cost of businesses acquired over the fair with FASB ASC Topic annually during the fourth quarter or on an interim basis if an event occurs not reduce the fair value of the reporting unit below its carrying value. purchased as part of a business acquisition. circumstances indicate the carrying amount of the assets may not – Goodwill and Other Intangibles for additional information | 
| Other Real Estate Owned | Other Real Estate Owned Assets acquired through, or in lieu of, loan foreclosure are held for sale and are less estimated selling costs, establishing a new cost basis. management and the assets are carried at the lower of carrying amount or fair value assets is subjective in nature and may be adjusted in the future because of changes in economic expenses from operations and changes in value are included in noninterest information. | 
| Loss Contingencies | Loss Contingencies Loss contingencies, including claims and legal actions arising in the ordinary the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. Contingencies for additional information. | 
| Noncontrolling Interest | Noncontrolling Interest  To the extent recognizes noncontrolling interests in subsidiaries. equity which is redeemable or convertible for cash at the option of the equity holder the mezzanine section of the Consolidated Statements of Financial dividends are allocated to CCBG and the noncontrolling interest holder noncontrolling interest carrying value is adjusted on a quarterly basis to the value, value is calculated quarterly and is based on the higher of a predetermined the redemption value exceeds the fair value of the noncontrolling interest, the common shareowners is adjusted by that amount. fair value of the noncontrolling interest using: 1) the discounted guideline public company methodology under the market approach. the result of each of the two methodologies. projected loan volumes; (2) projected pre-tax profit margins; to assign the minority membership interest (49%) in CCHL, temporary equity the fair value of the minority interest of $ 6.5 | 
| Income Taxes | Income Taxes Income tax expense is the total of the current year income tax due or refundable liabilities (excluding deferred tax assets and liabilities related to business income). amounts and tax bases of assets and liabilities, computed using enacted tax deferred tax assets to the expected amount most likely to be realized. generation of a sufficient level of future taxable income and recoverable to settlements of share-based payment awards are reported in earnings as an 13 – Income Taxes The Company files a consolidated federal income tax return and a separate separate state income tax return. | 
| Earnings Per Common Share | Earnings Per Common Share Basic earnings per common share is based on net income divided by the weighted during the period excluding non-vested stock. non-vested stock awards granted using the treasury stock method. calculating basic earnings per common share and the weighted average common share for the reported periods is provided in Note 16 — Earnings | 
| Comprehensive Income | Comprehensive Income Comprehensive income includes all changes in shareowners’ equity shareowners. changes in the net unrealized gain/loss on securities AFS, unrealized gain/loss status of defined benefit and supplemental executive retirement plans. Consolidated Statements of Comprehensive Income and Changes in Shareowners’ | 
| Stock Based Compensation | Stock Based Compensation Compensation cost is recognized for share-based awards issued to employees, of grant. price of the Company’s common a Black-Scholes model is utilized to estimate the fair value of the award. compensation expense is recognized as forfeitures occur. | 
| Revenue Recognition | Revenue Recognition  FASB ASC Topic about the nature, amount, timing and uncertainty of revenue and cash services to customers. The core principle requires an entity to recognize revenue customers in an amount that reflects the consideration that it expects to be services recognized as performance obligations are satisfied.  The majority of the Company’s revenue financial instruments, such as our loans, letters of credit, and investment mortgages in the secondary market, as these activities are subject to other Company recognizes revenue from these activities as it is earned based are provided and collectability is reasonably assured. scope of ASC 606, which are presented in the accompanying Consolidated income are as follows:  Deposit Fees - these represent general service fees for monthly account consist of transaction-based revenue, time-based revenue (service period), based revenue. account maintenance services or when a transaction has been completed. received at the time the performance obligations are satisfied.  Wealth Management as consideration for managing the client’s services and similar fiduciary activities. Revenue is recognized when month or quarter, which is the time that payment dealer, for which the Company acts as an agent, referred to the third party. basis and recognized ratably throughout the quarter as the Company’s Bank Card Fees – bank card related fees primarily includes interchange cards. Interchange fees are set by the credit card associations and are based on cardholder interchange income as transactions occur.  Gains and Losses from the Sale of Bank Owned Property – the performance typically will be the delivery of control over the property to the buyer. the transaction price is typically identified in the purchase and sale agreement. financing, the Company must determine a transaction price, depending account the credit risk inherent in the arrangement. Insurance Commissions – insurance commissions recorded by the contractual agreements to sell policies to customers on behalf of sell life and health insurance policies to customers. or when an existing policy renews. New policies and renewals generally have a one insurance carriers, a commission rate is agreed upon. The commission date) or when a policy renews, which is the time that payment is received. noninterest income. Other non-interest income primarily includes items such as mortgage loans held for sale), bank-owned life insurance, and safe deposit box fees, 606.  The Company has made no significant judgments in applying the revenue determination of the amount and timing of revenue from the above-described | 
| Recently Adopted Accounting Pronouncements and Issued but not yet Effective Accounting Standards | Recently Adopted Accounting Pronouncements  ASU No. Common Control Arrangements.” ASU 2023-01 requires entities to amortize leasehold  improvements associated with common control leases over the useful provides certain practical expedients applicable to private companies effective for the Company on January 1, 2024. As the Company standard did not have any immediate impact on its consolidated financial ASU No. Structures Using the Proportional ASU 2023-02 is intended to improve the accounting and disclosures  for investments in tax credit structures. ASU 2023-02 allows entities to elect to using the proportional amortization method, regardless of the program this method was only available for qualifying tax equity investments in low-income became effective for the Company on January 1, 2024. structures that are accounted for using the proportional amortization method, immediate impact on its consolidated financial statements or disclosures.  ASU 2023-07, “Improvements to Reportable ASU 2023-07 requires disclosure of significant segment  expenses and other segment items on an interim and annual basis. The standard 2024. The adoption of the standard did not have a material impact on its consolidated Segment Reporting.  Issued But Not Yet ASU No. 2023-06, “Disclosure Improvements: Simplification Initiative.”  ASU 2023-06 is intended to clarify or improve disclosure and presentation topics, which will allow users to more easily compare entities subject to the were not previously subject to the requirements and align the requirements in SEC’s regulations. ASU 2023 the SEC’s existing disclosure requirements, that related disclosure requirement from Regulation S-X or Regulation not removed the applicable requirement from Regulation S-X or Regulation will be removed from the Codification and will not become effective provisions of the amendments and the impact on its future consolidated ASU No. 2023-09, “Income Taxes ASU 2023-09 is intended to enhance  transparency and decision usefulness of income tax disclosures. The ASU addresses income tax information through improvements to income tax disclosures, taxes paid information. Retrospective application in all prior periods is permitted. on January 1, 2025. The Company is currently evaluating the impact of required to be disclosed as well as the impact to Note 13- Income Taxes. |