Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.3
Available-for-Sale Securities, Weighted Average Life Classifications (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]    
Less than or equal to 1 year $ 437  
Greater than 1 year and less than or equal to 3 years 18,819  
Greater than 3 years and less than or equal to 5 years 39,479  
Greater than 5 years and less than or equal to 10 years 6,994,638  
Greater than 10 years 1,777,353  
Available-for-sale securities, at fair value 8,830,726 $ 7,778,734
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]    
Debt Securities, Available-for-sale [Line Items]    
Less than or equal to 1 year 437  
Greater than 1 year and less than or equal to 3 years 18,819  
Greater than 3 years and less than or equal to 5 years 38,208  
Greater than 5 years and less than or equal to 10 years 6,990,936  
Greater than 10 years 1,774,465  
Available-for-sale securities, at fair value 8,822,865 7,653,576
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 1,271  
Greater than 5 years and less than or equal to 10 years 3,702  
Greater than 10 years 2,888  
Available-for-sale securities, at fair value $ 7,861 $ 125,158