Annual report pursuant to Section 13 and 15(d)

Available-for-Sale Securities, Weighted Average Life Classifications (Details)

v3.22.4
Available-for-Sale Securities, Weighted Average Life Classifications (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]    
Less than or equal to 1 year $ 2,001  
Greater than 1 year and less than or equal to 3 years 28,953  
Greater than 3 years and less than or equal to 5 years 267,075  
Greater than 5 years and less than or equal to 10 years 7,479,858  
Greater than 10 years 847  
Available-for-sale securities, at fair value 7,778,734 $ 7,161,703
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]    
Debt Securities, Available-for-sale [Line Items]    
Less than or equal to 1 year 2,001  
Greater than 1 year and less than or equal to 3 years 28,953  
Greater than 3 years and less than or equal to 5 years 149,872  
Greater than 5 years and less than or equal to 10 years 7,471,903  
Greater than 10 years 847  
Available-for-sale securities, at fair value 7,653,576 7,149,399
Mortgage-backed Securities, Issued by Private Enterprises [Member]    
Debt Securities, Available-for-sale [Line Items]    
Less than or equal to 1 year 0  
Greater than 1 year and less than or equal to 3 years 0  
Greater than 3 years and less than or equal to 5 years 117,203  
Greater than 5 years and less than or equal to 10 years 7,955  
Greater than 10 years 0  
Available-for-sale securities, at fair value $ 125,158 $ 12,304