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LOANS HELD FOR INVESTMENT - Additional Information II (Detail) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest Income Recognized on Nonaccrual Loans | $ 0.6 | $ 0.5
Residential Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Mortgage loans in process of foreclosure amount | $ 37.7 |
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 | $ 14.8 |
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 | 5.3 |
Nonperforming Financial Instruments [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable accrued interest writeoff | $ 0.8 | $ 0.6

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- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 35 -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-35 + Details
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