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LOANS HELD FOR INVESTMENT - Additional Information II (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Interest Income Recognized on Nonaccrual Loans | $ 0.3 | $ 0.5 | $ 0.9 | $ 1.0
Residential Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Mortgage loans in process of foreclosure amount | $ 35.1 |  | 35.1 |
Loans foreclosure delinquency threshold | 120 days |  |  |
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 | $ 12.8 |  | 12.8 |
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 | 5.2 |  | 5.2 |
Nonperforming Financial Instruments [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Financing receivable accrued interest writeoff | $ 0.7 | $ 0.5 | $ 1.5 | $ 1.1

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