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MORTGAGE BANKING OPERATIONS - Single Family MSR Roll Forward (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Additions and amortization:
Changes in fair value of MSR assumptions	$ 529	$ 1,320	$ 1,147	$ 1,009
Single family
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning balance	74,056	75,701	74,249	76,617
Additions and amortization:
Originations	853	919	1,470	1,538
Purchases	0	0	0	460
Amortization	(1,713)	(1,626)	(3,141)	(3,310)
Net additions and amortization	(860)	(707)	(1,671)	(1,312)
Changes in fair value of MSR assumptions	529	1,320	1,147	1,009
Ending balance	$ 73,725	$ 76,314	$ 73,725	$ 76,314

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Additions And Amortization [Abstract]

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Changes in the fair value of mortgage servicing rights due to modeled amortization.

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The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period through purchases or from transfers of financial assets.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 50
-Name Accounting Standards Codification
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-Paragraph 3
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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of increase (decrease) from changes in fair value classified as other for a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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