Annual report pursuant to Section 13 and 15(d)

LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES - (Amortized cost basis of collateral dependent loans) (Details)

v3.23.4
LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES - (Amortized cost basis of collateral dependent loans) (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross $ 700 $ 2,749
Non real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 0 67
Commercial, Financial, Agricultural [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 247,362  
Commercial, Financial, Agricultural [Member] | Real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 0 0
Commercial, Financial, Agricultural [Member] | Non real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 0 67
Real Estate - Construction [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 234,519  
Real Estate - Construction [Member] | Real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 0 0
Real Estate - Construction [Member] | Non real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 0 0
Real Estate - Commercial Mortgage [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 782,557  
Real Estate - Commercial Mortgage [Member] | Real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 389 455
Real Estate - Commercial Mortgage [Member] | Non real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 0 0
Real Estate - Residential [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 749,513  
Real Estate - Residential [Member] | Real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 160 1,645
Real Estate - Residential [Member] | Non real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 0 0
Real Estate - Home Equity [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 208,217  
Real Estate - Home Equity [Member] | Real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 130 649
Real Estate - Home Equity [Member] | Non real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 0 0
Consumer [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 325,517  
Consumer [Member] | Real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross 21 0
Consumer [Member] | Non real estate secured [Member] | Asset Pledged As Collateral [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Notes Receivable Gross $ 0 $ 0