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MORTGAGE BANKING OPERATIONS - Gain on Sale (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Gain on mortgage loan origination and sale activities [Line Items]
Gain on loan origination and sale activities	$ 2,647	$ 17,509	$ 16,213	$ 72,239
Single family
Gain on mortgage loan origination and sale activities [Line Items]
Gain on loan origination and sale activities	1,778	14,249	11,896	56,272
CRE, multifamily and SBA | Commercial loans
Gain on mortgage loan origination and sale activities [Line Items]
Gain on loan origination and sale activities	$ 869	$ 3,260	$ 4,317	$ 15,967

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Gain on mortgage loan origination and sale activities [Line Items]

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Net Gains Losses On Mortgage Loan Origination And Sales Activities, Including Discontinued Operations

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