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MORTGAGE BANKING OPERATIONS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Mortgage Banking Operations (Narrative) [Abstract]
Servicing advances	$ 2,900	$ 1,600
Unfunded commitment balance of loans sold on a servicing-retained basis	1,273,939	1,365,959
Representations and Warranties Reserve for Loan Receivables
Mortgage Banking Operations (Narrative) [Abstract]
Reserve liability related to mortgage repurchase	$ 1,481	2,232	$ 1,312
Multifamily
Mortgage Banking Operations (Narrative) [Abstract]
Expected weighted average life of MSR	11 years 6 months
Ginnie Mae Early Buyout Loans
Mortgage Banking Operations (Narrative) [Abstract]
Other assets - GNMA EBO loans	$ 5,600	6,900
Single family | Residential Portfolio Segment
Mortgage Banking Operations (Narrative) [Abstract]
Loans subject to representations and warranties	$ 5,300,000	$ 5,400,000

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Expected Weighted Average Life of MSR

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Financing Receivable, Loans Subject To Representations And Warranties

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Mortgage banking operations.

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Advances made as part of the entity's obligations as a servicer.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-4

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Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 450
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-Section 50
-Paragraph 10
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Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(5)(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481990/310-10-45-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Section 50
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