XML 96 R77.htm IDEA: XBRL DOCUMENT v3.22.1
Relationship with Bayview Lending Group LLC and Bayview Financial Holdings, L.P. - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]      
Loan facility carrying amount $ 3,443,587,000   $ 3,485,369,000
Bayview Lending Group [Member]      
Schedule of Equity Method Investments [Line Items]      
Carrying value of minority interest investment in Bayview Lending Group LLC $ 0    
Minority interest in Bayview Lending Group LLC 20.00%    
Bayview Lending Group [Member] | Other Revenues From Operations [Member]      
Schedule of Equity Method Investments [Line Items]      
Income (loss) from equity method investments $ 30,000,000 $ 0  
Bayview Lending Group and Bayview Financial [Member]      
Schedule of Equity Method Investments [Line Items]      
Outstanding principal balances of mortgage servicing rights 1,600,000,000   1,600,000,000
Revenue from contract with customer 2,000,000 2,000,000  
Bayview Financial [Member]      
Schedule of Equity Method Investments [Line Items]      
Outstanding principal balances of residential mortgage loans from Bayview Financial 76,600,000,000   74,700,000,000
Revenues from sub-servicing 42,000,000 $ 34,000,000  
Investment securities in held-to-maturity portfolio securitized by Bayview Financial 58,000,000   $ 62,000,000
Bayview Financial [Member] | Syndicated Loan Facility [Member]      
Schedule of Equity Method Investments [Line Items]      
Loan facility carrying amount 1,100,000,000    
Bayview Financial [Member] | Syndicated Loan Facility [Member] | M&T Bank [Member]      
Schedule of Equity Method Investments [Line Items]      
Loan facility carrying amount $ 167,000,000