Quarterly report pursuant to Section 13 or 15(d)

LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Collateral-dependent loans) (Details)

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LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Collateral-dependent loans) (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable $ 2,400 $ 700
Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 2,438 700
Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 0 0
Commercial, Financial and Agricultural [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 236,263  
Commercial, Financial and Agricultural [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 0 0
Commercial, Financial and Agricultural [Member] | Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 0 0
Real Estate - Construction [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 253,903  
Real Estate - Construction [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 0 0
Real Estate - Construction [Member] | Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 0 0
Real Estate - Commercial Mortgage [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 798,438  
Real Estate - Commercial Mortgage [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 2,207 389
Real Estate - Commercial Mortgage [Member] | Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 0 0
Real Estate - Residential [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 855,357  
Real Estate - Residential [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 0 160
Real Estate - Residential [Member] | Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 0 0
Real Estate - Home Equity [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 206,931  
Real Estate - Home Equity [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 231 130
Real Estate - Home Equity [Member] | Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 0 0
Consumer [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 306,255  
Consumer [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable 0 21
Consumer [Member] | Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Financing Receivable $ 0 $ 0