Annual report pursuant to Section 13 and 15(d)

LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES - (Loan Portfolio Composition) (Details)

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LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES - (Loan Portfolio Composition) (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans Held for Investment $ 2,547,685 $ 2,369,785 $ 2,235,252 $ 1,988,660 $ 1,931,465
Loans in process with outstanding balances 6,100       13,600
Commercial, Financial, Agricultural [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans Held for Investment 247,362       223,086
Real Estate - Construction [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans Held for Investment 234,519       174,394
Real Estate - Commercial Mortgage [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans Held for Investment 782,557       663,550
Real Estate - Residential [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans Held for Investment 749,513       360,021
Real Estate - Home Equity [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans Held for Investment 208,217       187,821
Consumer [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans Held for Investment 325,517       322,593
Consumer [Member] | Overdraft deposits [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans Held for Investment $ 1,100       $ 1,100