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MORTGAGE BANKING OPERATIONS - Loans Sold (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of loans originated as held for sale	$ 237,915	$ 765,703	$ 610,122	$ 1,596,460
Single family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of loans originated as held for sale	187,623	627,282	510,693	1,200,322
CRE, multifamily and SBA | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of loans originated as held for sale	$ 50,292	$ 138,421	$ 99,429	$ 396,138

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The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 21
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3461-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585

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