Quarterly report pursuant to Section 13 or 15(d)

Schedule of Available-for-sale Debt Securities in Unrealized Loss Positions (Details)

v3.24.1.u1
Schedule of Available-for-sale Debt Securities in Unrealized Loss Positions (Details)
$ in Thousands
Mar. 31, 2024
USD ($)
numberOfPositions
Dec. 31, 2023
USD ($)
numberOfPositions
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Debt Securities, Available-for-sale, Number of Positions | numberOfPositions 647 646
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | numberOfPositions 530 477
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | numberOfPositions 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 7,023,500 $ 6,270,731
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss (285,954) (199,449)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 0
Debt Securities, Available-for-sale, Unrealized Loss Position 7,023,500 6,270,731
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 285,954 199,449
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]    
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 7,023,251 6,269,848
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss (285,881) (199,276)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 0
Debt Securities, Available-for-sale, Unrealized Loss Position 7,023,251 6,269,848
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 285,881 199,276
Mortgage-backed Securities, Issued by Private Enterprises [Member]    
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 249 883
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss (73) (173)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 0
Debt Securities, Available-for-sale, Unrealized Loss Position 249 883
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 73 $ 173