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MORTGAGE BANKING OPERATIONS - Loans Sold (Details) - Commercial loans - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of loans originated as held for sale	$ 372,207	$ 830,757
Single family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of loans originated as held for sale	323,070	573,040
CRE, multifamily and SBA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of loans originated as held for sale	$ 49,137	$ 257,717

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+ References

No definition available.

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- Definition

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 http://asc.fasb.org/extlink&oid=123570139&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 http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585

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