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MORTGAGE BANKING OPERATIONS - Loans Sold (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of loans originated as held for sale	$ 161,193	$ 538,900	$ 771,315	$ 2,135,360
Single family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of loans originated as held for sale	131,228	469,090	641,921	1,669,412
CRE, multifamily and SBA | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of loans originated as held for sale	$ 29,965	$ 69,810	$ 129,394	$ 465,948

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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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