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LOANS HELD FOR INVESTMENT, NET - Financial Effect of Modifications made to Borrowers (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Business loans | Interest Rate Reductions |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Interest Rate Reductions | 5.00% | 4.30%
Business loans | Term Extension |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average months of Term Extensions | 12 months | 13 months
Business loans | Payment Delay |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Payment Delay | $ 146 | $ 2,406
One-to-four family residential and cooperative/condominium apartment | Term Extension |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average months of Term Extensions | 11 months | 189 months
One-to-four family residential and cooperative/condominium apartment | Payment Delay |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Payment Delay | $ 13 | $ 76
Multifamily residential and residential mixed-use | Payment Delay |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Payment Delay | 306 |
Non-owner-occupied commercial real estate | Payment Delay |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Payment Delay | $ 561 | $ 988
Acquisition, development, and construction ("ADC") | Interest Rate Reductions |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Interest Rate Reductions | 2.00% |
Acquisition, development, and construction ("ADC") | Term Extension |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average months of Term Extensions | 5 months |
Acquisition, development, and construction ("ADC") | Payment Delay |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Payment Delay | $ 411 |

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- Definition Amount of increase (decrease) in amortized cost excluding accrued interest, of financing receivable modified for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 + Details
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- Definition Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A + Details
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