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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans held for sale | $ 6,066 |  | $ 6,066 |  | $ 1,172
Premiums and discounts on acquired loans | 12,122 |  | 12,122 |  | 2,689
Net deferred origination and factoring fees | 3,367 |  | 3,367 |  | 3,128
Accrued interest on loans | 40,608 |  | $ 40,608 |  | $ 36,838
Purchased nonperforming credit deteriorated commercial loan | 23,411 |  |  |  |
Nonperforming credit deteriorated commercial loan purchase price | 3,284 |  |  |  |
Initial ACL on Loans Purchased with Credit Deterioration | 10,780 |  |  |  |
Discount for purchased credit deteriorated commercial loan | $ 9,348 |  |  |  |
Percentage of factored receivables to total loan portfolio | 97.00% |  | 97.00% |  | 97.00%
Customer reserves associated with factored receivables | 27.00% |  | 27.00% |  | 26.00%
Loans, net | $ 4,914,479 |  | $ 4,914,479 |  | $ 4,506,246
Pledged loans | 1,805,520 |  | 1,805,520 |  | 1,744,145
Credit loss expense (benefit) | (702) | $ 4,155 | $ 628 | $ 10,051 |
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 | 221 |  | 221 |  |
Loans to borrowers experiencing financial difficulty that had payment default | 0 | 0 | 0 | 0 |
Other real estate owned, net | 1,995 |  | $ 1,995 |  | $ 0
Texas | Accounts Receivable | Geographic Concentration Risk |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Percentage of factored receivables |  |  | 21.00% |  | 22.00%
Colorado | Accounts Receivable | Geographic Concentration Risk |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Percentage of factored receivables |  |  | 11.00% |  | 10.00%
Illinois | Accounts Receivable | Geographic Concentration Risk |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Percentage of factored receivables |  |  | 10.00% |  | 12.00%
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% |  | 48.00%
Loans Held for Investment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Initial ACL on Loans Purchased with Credit Deterioration | 10,780 | 0 | $ 10,780 | 0 |
Net charge-offs | 7,802 | 2,723 | 13,601 | 4,605 |
Credit loss expense (benefit) | (516) | 4,068 | 798 | 8,977 |
Changes In Allowance For Credit Losses |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
(Decrease) increase in allowance for credit losses due to changes in projected loss drivers and prepayment assumptions | (207) | 1,104 | 286 | 2,008 |
Increase (decrease) in allowance for credit losses due to changes in loan volume and mix | 1,185 | 245 | 1,787 | 1,010 |
Increase (decrease) in allowance for credit losses due to increase (decrease) in specific reserves | 1,484 | 0 | (4,095) | 1,354 |
Factored receivables |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Customer reserves associated with factored receivables | 258,514 |  | 258,514 |  | $ 267,891
Loans, net | 19,361 |  | 19,361 |  | 19,361
Factored receivables | Loans Held for Investment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Initial ACL on Loans Purchased with Credit Deterioration | 0 | 0 | 0 | 0 |
Credit loss expense (benefit) | (2,638) | 2,166 | (1,129) | 2,722 |
1-4 family residential |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans held for sale | 1,595 |  | 1,595 |  | 1,167
1-4 family residential | Loans Held for Investment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Initial ACL on Loans Purchased with Credit Deterioration | 0 | 0 | 0 | 0 |
Credit loss expense (benefit) | 158 | 6 | 199 | 56 |
1-4 family residential | Real Eatate Loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Residential real estate loans in process of foreclosure | 0 |  | 0 |  | 0
Construction, land development, land |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans held for sale | 1,964 |  | 1,964 |  | 0
Construction, land development, land | Past Due 90 Days or More |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans held for sale | 1,964 |  | 1,964 |  |
Construction, land development, land | Loans Held for Investment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Initial ACL on Loans Purchased with Credit Deterioration | 0 | 0 | 0 | 0 |
Credit loss expense (benefit) | 199 | (71) | (35) | 1,630 |
Commercial real estate |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans held for sale | 36 |  | 36 |  | 0
Commercial real estate | Loans Held for Investment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Initial ACL on Loans Purchased with Credit Deterioration | 0 | 0 | 0 | 0 |
Credit loss expense (benefit) | (518) | (228) | 427 | (592) |
Commercial |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans held for sale | 2,471 |  | 2,471 |  | $ 5
Commercial | Past Due 90 Days or More |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans held for sale | 36 |  | 36 |  |
Commercial | Loans Held for Investment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Initial ACL on Loans Purchased with Credit Deterioration | 10,780 | 0 | 10,780 | 0 |
Credit loss expense (benefit) | $ 1,693 | $ 2,018 | $ 762 | $ 5,069 |

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