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LOANS HELD FOR INVESTMENT - Additional Information II (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Interest income recognized on nonaccrual loans | $ 0.4 | $ 0.5 | $ 1.1 | $ 1.4
Residential Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Mortgage loans in process of foreclosure amount | 26.6 |  | $ 26.6 |
Loans foreclosure delinquency threshold |  |  | 120 days |
Residential Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Mortgage loans in process of foreclosure amount | 3.2 |  | $ 3.2 |
Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Mortgage loans in process of foreclosure amount | 7.1 |  | 7.1 |
Nonperforming Financial Instruments [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Accrued interest writeoff | $ 0.8 | $ 0.8 | $ 2.4 | $ 2.3

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