Quarterly report pursuant to Section 13 or 15(d)

Schedule of Available-for-sale Securities Reconciliation (Details)

v3.22.2.2
Schedule of Available-for-sale Securities Reconciliation (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Jun. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]            
Principal/Current Face $ 12,191,723   $ 11,550,625      
Unamortized Premium 328,598   592,809      
Accretable Purchase Discount (18,273)   (39)      
Amortized Cost 10,228,511   7,005,013      
Allowance for Credit Losses (8,535) $ (9,663) (14,238) $ (15,429) $ (17,765) $ (22,528)
Unrealized Gain 2,309   192,040      
Unrealized Loss (748,442)   (21,112)      
Available-for-sale securities, at fair value 9,473,843   7,161,703      
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]            
Debt Securities, Available-for-sale [Line Items]            
Principal/Current Face 10,906,829   9,609,810      
Unamortized Premium 319,851   576,276      
Accretable Purchase Discount (17,875)   (12)      
Amortized Cost 10,096,780   6,987,627      
Allowance for Credit Losses (8,325) (9,403) (12,851) (14,000) (15,154) (17,889)
Unrealized Gain 1,609   192,007      
Unrealized Loss (741,081)   (17,384)      
Available-for-sale securities, at fair value 9,348,983   7,149,399      
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises, Principal and Interest            
Debt Securities, Available-for-sale [Line Items]            
Principal/Current Face 9,794,804   6,411,363      
Unamortized Premium 269,242   270,699      
Accretable Purchase Discount (17,875)   (12)      
Amortized Cost 10,046,171   6,682,050      
Allowance for Credit Losses 0   0      
Unrealized Gain 65   171,308      
Unrealized Loss (735,797)   (4,855)      
Available-for-sale securities, at fair value 9,310,439   6,848,503      
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises, Interest-Only-Strip            
Debt Securities, Available-for-sale [Line Items]            
Principal/Current Face 1,112,025   3,198,447      
Unamortized Premium 50,609   305,577      
Accretable Purchase Discount 0   0      
Amortized Cost 50,609   305,577      
Allowance for Credit Losses (8,325)   (12,851)      
Unrealized Gain 1,544   20,699      
Unrealized Loss (5,284)   (12,529)      
Available-for-sale securities, at fair value 38,544   300,896      
Mortgage-backed Securities, Issued by Private Enterprises [Member]            
Debt Securities, Available-for-sale [Line Items]            
Principal/Current Face 1,284,894   1,940,815      
Unamortized Premium 8,747   16,533      
Accretable Purchase Discount (398)   (27)      
Amortized Cost 131,731   17,386      
Allowance for Credit Losses (210) $ (260) (1,387) $ (1,429) $ (2,611) $ (4,639)
Unrealized Gain 700   33      
Unrealized Loss (7,361)   (3,728)      
Available-for-sale securities, at fair value $ 124,860   $ 12,304