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GUARANTEES (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Guarantor Obligations [Line Items]      
Acquired standby letters of credit and financial guarantees $ 24,700   $ 24,700
Repurchased loans not subject to credit recourse provision 2,200 $ 7,800  
Gain (loss) from early extinguishment of debt 0 42  
Amount of serviced loans 5,800,000   5,800,000
Funds advanced to investors under servicing agreements 7,800   7,800
Recourse      
Guarantor Obligations [Line Items]      
Unpaid principal balance of residential subject loans subject to credit recourse 108,572   110,891
Repurchased GNMA 65 718  
Liability for estimated credit losses to loans sold with credit recourse 141   147
Gain (loss) from early extinguishment of debt 6 100  
Nonrecourse      
Guarantor Obligations [Line Items]      
Gain (loss) from early extinguishment of debt 252 $ 2  
Loan serviced under representation warranties | Nonrecourse      
Guarantor Obligations [Line Items]      
Unpaid principal balance of residential subject loans subject to credit recourse $ 1,000   $ 1,400