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MORTGAGE BANKING OPERATIONS - Gain on Sale (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Gain on mortgage loan origination and sale activities [Line Items]
Gain on loan origination and sale activities	$ 5,292	$ 21,271	$ 13,566	$ 54,730
Single family
Gain on mortgage loan origination and sale activities [Line Items]
Gain on loan origination and sale activities	3,949	15,836	10,118	42,023
CRE, multifamily and SBA | Commercial loans
Gain on mortgage loan origination and sale activities [Line Items]
Gain on loan origination and sale activities	$ 1,343	$ 5,435	$ 3,448	$ 12,707

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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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