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MORTGAGE BANKING OPERATIONS - Loans Serviced for Others (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans serviced for others | $ 7,480,537 | $ 7,570,267
Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans serviced for others | 5,500,428 | 5,539,180
CRE, multifamily and SBA | Commercial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans serviced for others | $ 1,980,109 | $ 2,031,087

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