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FAIR VALUE MEASUREMENT - Schedule of Fair Value Hierarchy Measurement (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Assets: |  |
Single family mortgage servicing rights | $ 74,249,000 |
Fair Value, Recurring |  |
Assets: |  |
Single family LHFS | 12,849,000 | $ 14,075,000
Single family LHFI | 1,280,000 | 5,868,000
Single family mortgage servicing rights | 74,249,000 | 76,617,000
Total assets | 1,375,458,000 | 1,508,094,000
Liabilities: |  |
Total liabilities | 10,783,000 | 13,280,000
Fair Value, Recurring | Level 1 |  |
Assets: |  |
Single family LHFS | 0 | 0
Single family LHFI | 0 | 0
Single family mortgage servicing rights | 0 | 0
Total assets | 24,830,000 | 19,233,000
Liabilities: |  |
Total liabilities | 3,000 | 0
Fair Value, Recurring | Level 2 |  |
Assets: |  |
Single family LHFS | 12,849,000 | 14,075,000
Single family LHFI | 0 | 0
Single family mortgage servicing rights | 0 | 0
Total assets | 1,272,828,000 | 1,404,226,000
Liabilities: |  |
Total liabilities | 10,780,000 | 13,244,000
Fair Value, Recurring | Level 3 |  |
Assets: |  |
Investment securities AFS | 1,860,000 | 2,009,000
Single family LHFS | 0 | 0
Single family LHFI | 1,280,000 | 5,868,000
Single family mortgage servicing rights | 74,249,000 | 76,617,000
Total assets | 77,800,000 | 84,635,000
Liabilities: |  |
Total liabilities | 0 | 36,000
Fair Value, Recurring | U.S. Treasury securities |  |
Assets: |  |
Trading securities - U.S. Treasury securities | 24,698,000 | 18,997,000
Fair Value, Recurring | U.S. Treasury securities | Level 1 |  |
Assets: |  |
Trading securities - U.S. Treasury securities | 24,698,000 | 18,997,000
Fair Value, Recurring | U.S. Treasury securities | Level 2 |  |
Assets: |  |
Trading securities - U.S. Treasury securities | 0 | 0
Fair Value, Recurring | U.S. Treasury securities | Level 3 |  |
Assets: |  |
Trading securities - U.S. Treasury securities | 0 | 0
Fair Value, Recurring | Residential |  |
Assets: |  |
Investment securities AFS | 183,798,000 | 197,262,000
Fair Value, Recurring | Residential | Level 1 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Residential | Level 2 |  |
Assets: |  |
Investment securities AFS | 181,938,000 | 195,321,000
Fair Value, Recurring | Residential | Level 3 |  |
Assets: |  |
Investment securities AFS | 1,860,000 | 1,941,000
Fair Value, Recurring | Commercial |  |
Assets: |  |
Investment securities AFS | 47,756,000 | 56,049,000
Fair Value, Recurring | Commercial | Level 1 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Commercial | Level 2 |  |
Assets: |  |
Investment securities AFS | 47,756,000 | 56,049,000
Fair Value, Recurring | Commercial | Level 3 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Residential |  |
Assets: |  |
Investment securities AFS | 439,738,000 | 553,039,000
Fair Value, Recurring | Residential | Level 1 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Residential | Level 2 |  |
Assets: |  |
Investment securities AFS | 439,738,000 | 553,039,000
Fair Value, Recurring | Residential | Level 3 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Commercial |  |
Assets: |  |
Investment securities AFS | 57,397,000 | 70,519,000
Fair Value, Recurring | Commercial | Level 1 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Commercial | Level 2 |  |
Assets: |  |
Investment securities AFS | 57,397,000 | 70,519,000
Fair Value, Recurring | Commercial | Level 3 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Municipal bonds |  |
Assets: |  |
Investment securities AFS | 404,874,000 | 411,548,000
Fair Value, Recurring | Municipal bonds | Level 1 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Municipal bonds | Level 2 |  |
Assets: |  |
Investment securities AFS | 404,874,000 | 411,548,000
Fair Value, Recurring | Municipal bonds | Level 3 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Corporate debt securities |  |
Assets: |  |
Investment securities AFS | 38,547,000 | 42,945,000
Fair Value, Recurring | Corporate debt securities | Level 1 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Corporate debt securities | Level 2 |  |
Assets: |  |
Investment securities AFS | 38,547,000 | 42,877,000
Fair Value, Recurring | Corporate debt securities | Level 3 |  |
Assets: |  |
Investment securities AFS | 0 | 68,000
Fair Value, Recurring | U.S. Treasury securities |  |
Assets: |  |
Investment securities AFS | 20,184,000 | 19,934,000
Fair Value, Recurring | U.S. Treasury securities | Level 1 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | U.S. Treasury securities | Level 2 |  |
Assets: |  |
Investment securities AFS | 20,184,000 | 19,934,000
Fair Value, Recurring | U.S. Treasury securities | Level 3 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Agency debentures |  |
Assets: |  |
Investment securities AFS | 58,905,000 | 27,478,000
Fair Value, Recurring | Agency debentures | Level 1 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Agency debentures | Level 2 |  |
Assets: |  |
Investment securities AFS | 58,905,000 | 27,478,000
Fair Value, Recurring | Agency debentures | Level 3 |  |
Assets: |  |
Investment securities AFS | 0 | 0
Fair Value, Recurring | Futures |  |
Assets: |  |
Derivative assets |  | 18,000
Liabilities: |  |
Derivative liabilities | 3,000 |
Fair Value, Recurring | Futures | Level 1 |  |
Assets: |  |
Derivative assets |  | 18,000
Liabilities: |  |
Derivative liabilities | 3,000 |
Fair Value, Recurring | Futures | Level 2 |  |
Assets: |  |
Derivative assets | 0 | 0
Fair Value, Recurring | Futures | Level 3 |  |
Assets: |  |
Derivative assets |  | 0
Liabilities: |  |
Derivative liabilities | 0 |
Fair Value, Recurring | Options |  |
Assets: |  |
Derivative assets | 132,000 | 218,000
Fair Value, Recurring | Options | Level 1 |  |
Assets: |  |
Derivative assets | 132,000 | 218,000
Fair Value, Recurring | Options | Level 2 |  |
Assets: |  |
Derivative assets | 0 | 0
Fair Value, Recurring | Options | Level 3 |  |
Assets: |  |
Derivative assets |  | 0
Fair Value, Recurring | Forward sale commitments |  |
Assets: |  |
Derivative assets | 151,000 | 293,000
Liabilities: |  |
Derivative liabilities | 288,000 | 151,000
Fair Value, Recurring | Forward sale commitments | Level 1 |  |
Assets: |  |
Derivative assets | 0 | 0
Liabilities: |  |
Derivative liabilities | 0 | 0
Fair Value, Recurring | Forward sale commitments | Level 2 |  |
Assets: |  |
Derivative assets | 151,000 | 293,000
Liabilities: |  |
Derivative liabilities | 288,000 | 151,000
Fair Value, Recurring | Forward sale commitments | Level 3 |  |
Assets: |  |
Derivative assets | 0 | 0
Liabilities: |  |
Derivative liabilities | 0 | 0
Fair Value, Recurring | Interest rate lock commitments |  |
Assets: |  |
Derivative assets | 411,000 | 141,000
Liabilities: |  |
Derivative liabilities |  | 36,000
Fair Value, Recurring | Interest rate lock commitments | Level 1 |  |
Assets: |  |
Derivative assets | 0 | 0
Liabilities: |  |
Derivative liabilities |  | 0
Fair Value, Recurring | Interest rate lock commitments | Level 2 |  |
Assets: |  |
Derivative assets | 0 | 0
Liabilities: |  |
Derivative liabilities |  | 0
Fair Value, Recurring | Interest rate lock commitments | Level 3 |  |
Assets: |  |
Derivative assets | 411,000 | 141,000
Liabilities: |  |
Derivative liabilities |  | 36,000
Fair Value, Recurring | Interest rate swaps |  |
Assets: |  |
Derivative assets | 10,489,000 | 13,093,000
Liabilities: |  |
Derivative liabilities | 10,492,000 | 13,093,000
Fair Value, Recurring | Interest rate swaps | Level 1 |  |
Assets: |  |
Derivative assets | 0 | 0
Liabilities: |  |
Derivative liabilities | 0 | 0
Fair Value, Recurring | Interest rate swaps | Level 2 |  |
Assets: |  |
Derivative assets | 10,489,000 | 13,093,000
Liabilities: |  |
Derivative liabilities | 10,492,000 | 13,093,000
Fair Value, Recurring | Interest rate swaps | Level 3 |  |
Assets: |  |
Derivative assets | 0 | 0
Liabilities: |  |
Derivative liabilities | $ 0 | $ 0

X
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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