Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Schedule of Available-for-sale Debt Securities in Unrealized Loss Positions (Details)
$ in Thousands
Mar. 31, 2021
USD ($)
numberOfPositions
Dec. 31, 2020
USD ($)
numberOfPositions
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Debt Securities, Available-for-sale, Number of Positions | numberOfPositions 817 823
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | numberOfPositions 45 13
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | numberOfPositions 0 13
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 1,464,291 $ 367,660
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss (39,735) (1,705)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 0 24,006
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 (4,454)
Debt Securities, Available-for-sale, Unrealized Loss Position 1,464,291 391,666
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 39,735 6,159
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 1,461,068 367,660
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss (34,940) (1,705)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 0 24,006
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 (4,454)
Debt Securities, Available-for-sale, Unrealized Loss Position 1,461,068 391,666
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 34,940 6,159
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 3,223 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss (4,795) 0
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 3,223 0
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 4,795 $ 0