Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Name:	us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

MORTGAGE BANKING OPERATIONS - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2019 USD ($) saleOfRight	Dec. 31, 2020 USD ($)	Mar. 31, 2019 USD ($) saleOfRight
Mortgage Banking Operations (Narrative) [Abstract]
Servicing advances	$ 1,900		$ 3,000
Other assets - GNMA EBO loans	$ 5,495,726		5,179,886
Multifamily
Mortgage Banking Operations (Narrative) [Abstract]
Expected weighted average life of MSR	11 years 5 months 19 days
Ginnie Mae Early Buyout Loans
Mortgage Banking Operations (Narrative) [Abstract]
Other assets - GNMA EBO loans	$ 12,000		$ 102,000
Single family \| Agency debentures
Mortgage Banking Operations (Narrative) [Abstract]
Mortgage servicing rights, unpaid principle balance, sold, number of sales \| saleOfRight		2		2
Mortgage servicing rights, unpaid principal balance, sold		$ 14,300,000		$ 14,300,000
Gain (loss) in income during period from discontinued operations before income taxes		(900)
Single family \| Single family residential mortgage servicing rights
Mortgage Banking Operations (Narrative) [Abstract]
Gain (loss) in income during period from discontinued operations before income taxes		$ (900)