Securities Available for sale, Unrealized Loss Position, Fair Value (Details) $ in Thousands	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Available for sale, Unrealized Loss Position [Line Items]
Available for sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	1,153	462
Available for sale, Securities in Unrealized Loss Position, Less than 12 Months [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 6,173,710	$ 4,911,358
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	3,829,168	1,476,208
Available for sale securities, Unrealized Loss Position, Fair Value	10,002,878	6,387,566
Available for sale securities, Securities in Unrealized Loss Position, Accumulated Loss [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	376,598	80,372
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	517,616	33,608
Available for sale securities, Unrealized Loss Position, Accumulated Loss	894,214	$ 113,980
Debt Securities, Available-for-sale, Allowance for Credit Loss	$ 0
U.S. Treasury [Member]
Available for sale, Unrealized Loss Position [Line Items]
Available for sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	1	1
Available for sale, Securities in Unrealized Loss Position, Less than 12 Months [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 0	$ 1,000
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	899	0
Available for sale securities, Unrealized Loss Position, Fair Value	899	1,000
Available for sale securities, Securities in Unrealized Loss Position, Accumulated Loss [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	1
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	102	0
Available for sale securities, Unrealized Loss Position, Accumulated Loss	$ 102	$ 1
Municipal securities [Member]
Available for sale, Unrealized Loss Position [Line Items]
Available for sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	227	175
Available for sale, Securities in Unrealized Loss Position, Less than 12 Months [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 146,634	$ 423,575
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	428,248	22,476
Available for sale securities, Unrealized Loss Position, Fair Value	574,882	446,051
Available for sale securities, Securities in Unrealized Loss Position, Accumulated Loss [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	5,301	7,762
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	58,395	726
Available for sale securities, Unrealized Loss Position, Accumulated Loss	$ 63,696	$ 8,488
Residential agency mortgage-backed securities [Member]
Available for sale, Unrealized Loss Position [Line Items]
Available for sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	613	120
Available for sale, Securities in Unrealized Loss Position, Less than 12 Months [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 3,879,582	$ 2,382,094
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	863,732	750,044
Available for sale securities, Unrealized Loss Position, Fair Value	4,743,314	3,132,138
Available for sale securities, Securities in Unrealized Loss Position, Accumulated Loss [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	256,973	37,121
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	102,974	20,327
Available for sale securities, Unrealized Loss Position, Accumulated Loss	$ 359,947	$ 57,448
Residential non-agency mortgage-backed securities [Member]
Available for sale, Unrealized Loss Position [Line Items]
Available for sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	26
Available for sale, Securities in Unrealized Loss Position, Less than 12 Months [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 499,716
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	0
Available for sale securities, Unrealized Loss Position, Fair Value	499,716
Available for sale securities, Securities in Unrealized Loss Position, Accumulated Loss [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	50,623
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0
Available for sale securities, Unrealized Loss Position, Accumulated Loss	$ 50,623
Commercial agency mortgage-backed securities [Member]
Available for sale, Unrealized Loss Position [Line Items]
Available for sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	285	165
Available for sale, Securities in Unrealized Loss Position, Less than 12 Months [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 1,647,778	$ 2,104,689
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	2,535,816	703,216
Available for sale securities, Unrealized Loss Position, Fair Value	4,183,594	2,807,905
Available for sale securities, Securities in Unrealized Loss Position, Accumulated Loss [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	63,701	35,488
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	356,118	12,527
Available for sale securities, Unrealized Loss Position, Accumulated Loss	$ 419,819	$ 48,015
Other debt securities [Member]
Available for sale, Unrealized Loss Position [Line Items]
Available for sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	1	1
Available for sale, Securities in Unrealized Loss Position, Less than 12 Months [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 0	$ 0
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	473	472
Available for sale securities, Unrealized Loss Position, Fair Value	473	472
Available for sale securities, Securities in Unrealized Loss Position, Accumulated Loss [Abstract]
Available for sale securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	0
Available for sale securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	27	28
Available for sale securities, Unrealized Loss Position, Accumulated Loss	$ 27	$ 28

Available-for-sale Securities, Securities in Unrealized Loss Position, Accumulated Loss [Abstract]

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Available-for-sale, Securities in Unrealized Loss Position, Fair Value [Abstract] [Abstract]

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Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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