Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.2
Schedule of Available-for-sale Securities Reconciliation (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]            
Principal/Current Face $ 11,549,865   $ 11,550,625      
Unamortized Premium 349,207   592,809      
Accretable Purchase Discount (63,356)   (39)      
Amortized Cost 8,969,612   7,005,013      
Allowance for Credit Losses (9,663) $ (11,573) (14,238) $ (17,765) $ (18,170) $ (22,528)
Unrealized Gain 34,206   192,040      
Unrealized Loss (204,718)   (21,112)      
Available-for-sale securities, at fair value 8,789,437   7,161,703      
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]            
Debt Securities, Available-for-sale [Line Items]            
Principal/Current Face 10,268,976   9,609,810      
Unamortized Premium 340,214   576,276      
Accretable Purchase Discount (62,948)   (12)      
Amortized Cost 8,880,274   6,987,627      
Allowance for Credit Losses (9,403) (11,567) (12,851) (15,154) (16,699) (17,889)
Unrealized Gain 33,616   192,007      
Unrealized Loss (202,540)   (17,384)      
Available-for-sale securities, at fair value 8,701,947   7,149,399      
Mortgage-backed Securities, Issued by Private Enterprises [Member]            
Debt Securities, Available-for-sale [Line Items]            
Principal/Current Face 1,280,889   1,940,815      
Unamortized Premium 8,993   16,533      
Accretable Purchase Discount (408)   (27)      
Amortized Cost 89,338   17,386      
Allowance for Credit Losses (260) $ (6) (1,387) $ (2,611) $ (1,471) $ (4,639)
Unrealized Gain 590   33      
Unrealized Loss (2,178)   (3,728)      
Available-for-sale securities, at fair value 87,490   12,304      
Fixed Income Securities [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]            
Debt Securities, Available-for-sale [Line Items]            
Principal/Current Face 8,603,008   6,411,363      
Unamortized Premium 223,912   270,699      
Accretable Purchase Discount (62,948)   (12)      
Amortized Cost 8,763,972   6,682,050      
Allowance for Credit Losses 0   0      
Unrealized Gain 17,675   171,308      
Unrealized Loss (197,154)   (4,855)      
Available-for-sale securities, at fair value 8,584,493   6,848,503      
Interest-Only-Strip [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]            
Debt Securities, Available-for-sale [Line Items]            
Principal/Current Face 1,665,968   3,198,447      
Unamortized Premium 116,302   305,577      
Accretable Purchase Discount 0   0      
Amortized Cost 116,302   305,577      
Allowance for Credit Losses (9,403)   (12,851)      
Unrealized Gain 15,941   20,699      
Unrealized Loss (5,386)   (12,529)      
Available-for-sale securities, at fair value $ 117,454   $ 300,896