XML 75 R65.htm IDEA: XBRL DOCUMENT v3.22.1
GUARANTEES AND MORTGAGE REPURCHASE LIABILITY - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Representations and warranties reserve for loan receivables        
Loss Contingencies [Line Items]        
Unfunded commitment balance of loans sold on a servicing-retained basis $ 5,500,000,000   $ 5,500,000,000  
Reserve liability related to mortgage repurchase 1,638,000 $ 1,941,000 1,312,000 $ 2,122,000
Loss sharing relationship        
Loss Contingencies [Line Items]        
Reserve liability related to multifamily DUS program 600,000   600,000  
Loss sharing relationship | Multifamily        
Loss Contingencies [Line Items]        
UPB of loans sold through DUS 1,900,000,000   1,900,000,000  
Losses incurred - related to DUS 0 $ 0    
Credit risk        
Loss Contingencies [Line Items]        
Reserve liability related to mortgage repurchase $ 1,600,000   $ 1,300,000