v3.26.1
LOANS AND ALLOWANCE FOR CREDIT LOSSES - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Premiums and discounts on acquired loans $ 8,596,000   $ 8,596,000   $ 9,300,000
Net deferred origination and factoring fees 4,499,000   4,499,000   2,530,000
Accrued interest on loans $ 35,089,000   $ 35,089,000   $ 42,478,000
Purchased nonperforming credit deteriorated commercial loan   $ 23,411,000      
Nonperforming credit deteriorated commercial loan purchase price   3,284,000      
Initial ACL on Loans Purchased with Credit Deterioration   10,780,000      
Discount for purchased credit deteriorated commercial loan   9,348,000      
Percentage of factored receivables to total loan portfolio 97.00%   97.00%   97.00%
Customer reserves associated with factored receivables 38.00%   38.00%   29.00%
Pledged loans $ 1,721,719,000   $ 1,721,719,000   $ 1,725,914,000
Credit loss expense 2,736,000 (702,000) $ 2,129,000 $ 628,000  
Discounted cash flow method, reasonable and supportable forecast period     1 year    
Allowance for credit losses on loans, reasonable and supportable forecasts not available, historical loss information used, period     2 years    
Interest earned on nonaccrual loans 0 0 $ 0 0  
Commitments to lend 0   0    
Loans to borrowers experiencing financial difficulty that had payment default 0 0   0  
Other real estate owned, net 0   0   10,185,000
Loans Held for Investment          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Net charge-offs 1,738,000 7,802,000 3,595,000 13,601,000  
Credit loss expense 2,364,000 (516,000) 1,867,000 798,000  
Changes In Allowance For Credit Losses          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Increase (decrease) in allowance for credit losses due to changes in projected loss drivers and prepayment assumptions (1,950,000) (207,000) (3,629,000) 286,000  
Increase (decrease) in allowance for credit losses due to changes in loan volume and mix 3,145,000 1,185,000 3,255,000 1,787,000  
Increase (decrease) in allowance for credit losses due to increase (decrease) in specific reserves (569,000) 1,484,000 (1,354,000) (4,095,000)  
Factored receivables          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Customer reserves associated with factored receivables 374,124,000   374,124,000   338,496,000
Factored receivables | Loans Held for Investment          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Credit loss expense 2,872,000 (2,638,000) 4,126,000 (1,129,000)  
Commercial real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans to borrowers experiencing financial difficulty that had payment default     37,554,000    
Commercial real estate | Loans Held for Investment          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Credit loss expense (410,000) (518,000) 151,000 427,000  
Commercial          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans to borrowers experiencing financial difficulty that had payment default     15,000    
Commercial | Loans Held for Investment          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Credit loss expense (723,000) 1,693,000 (2,625,000) 762,000  
1-4 family residential | Loans Held for Investment          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Credit loss expense 210,000 $ 158,000 205,000 $ 199,000  
1-4 family residential | Real Eatate Loans          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Residential real estate loans in process of foreclosure $ 30,000   $ 30,000   $ 371,000
Texas | Accounts Receivable | Geographic Concentration Risk          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Percentage of factored receivables     20.00%   20.00%
Colorado | Accounts Receivable | Geographic Concentration Risk          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Percentage of factored receivables     10.00%   10.00%
Illinois | Accounts Receivable | Geographic Concentration Risk          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Percentage of factored receivables     12.00%   10.00%
Iowa | Accounts Receivable | Geographic Concentration Risk          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Percentage of factored receivables     4.00%   4.00%
Texas, Colorado, Illinois, And Iowa | Accounts Receivable | Geographic Concentration Risk          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Percentage of factored receivables     46.00%   44.00%