Financial Derivatives - Schedule of Derivative Instruments in Statement of Financial Position (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Notional Disclosures [Abstract]
Notional Amount	$ 23,878,611	$ 17,547,367
Asset
Financial derivatives	37,409	6,081
Gross Amounts offset in the Consolidated Balance Sheet	(5,212)	(1,374)
(Liability)
Derivative liability	(175,326)	(35,554)
Gross Amounts offset in the Consolidated Balance Sheet	5,212	1,374
Designated as hedge | Fair value hedges: | Receive fixed non-callable
Notional Disclosures [Abstract]
Notional Amount	10,033,750	5,884,529
Asset
Financial derivatives	19	974
(Liability)
Derivative liability	$ (4,686)	$ (1,475)
Weighted- Average Pay Rate	4.31%	0.17%
Weighted- Average Receive Rate	2.03%	0.88%
Weighted- Average Remaining Term (in years)	1 year 7 months 20 days	2 years 3 months 7 days
Designated as hedge | Fair value hedges: | Pay fixed non-callable
Notional Disclosures [Abstract]
Notional Amount	$ 8,149,871	$ 6,238,438
Asset
Financial derivatives	13,689	205
(Liability)
Derivative liability	$ (366)	$ (9,525)
Weighted- Average Pay Rate	2.23%	2.06%
Weighted- Average Receive Rate	4.33%	0.13%
Weighted- Average Remaining Term (in years)	10 years 9 months 3 days	11 years 7 months 20 days
Designated as hedge | Fair value hedges: | Receive fixed callable
Notional Disclosures [Abstract]
Notional Amount	$ 2,764,577	$ 1,571,577
Asset
Financial derivatives	461	103
(Liability)
Derivative liability	$ (174,757)	$ (17,612)
Weighted- Average Pay Rate	4.21%	0.01%
Weighted- Average Receive Rate	1.98%	0.80%
Weighted- Average Remaining Term (in years)	3 years 2 months 4 days	4 years 2 months 1 day
Designated as hedge | Cash flow hedges: | Pay fixed non-callable
Notional Disclosures [Abstract]
Notional Amount	$ 588,000	$ 570,000
Asset
Financial derivatives	27,275	5,426
(Liability)
Derivative liability	$ 0	$ (3,095)
Weighted- Average Pay Rate	1.93%	1.93%
Weighted- Average Receive Rate	4.72%	0.49%
Weighted- Average Remaining Term (in years)	5 years 18 days	5 years 8 months 19 days
No hedge designation
Asset
Credit valuation adjustment		$ 0
(Liability)
Credit valuation adjustment		14
No hedge designation | Receive fixed non-callable
Notional Disclosures [Abstract]
Notional Amount	$ 287,750	1,377,250
Asset
Financial derivatives	0	115
(Liability)
Derivative liability	$ (130)	$ (132)
Weighted- Average Pay Rate	4.31%	0.13%
Weighted- Average Receive Rate	1.16%	0.43%
Weighted- Average Remaining Term (in years)	1 year 9 months 3 days	11 months 19 days
No hedge designation | Pay fixed non-callable
Notional Disclosures [Abstract]
Notional Amount	$ 187,479	$ 229,062
Asset
Financial derivatives	1,065	52
(Liability)
Derivative liability	$ (1)	$ (4,807)
Weighted- Average Pay Rate	3.05%	3.22%
Weighted- Average Receive Rate	4.09%	0.16%
Weighted- Average Remaining Term (in years)	4 years 6 months 7 days	4 years 11 months 12 days
No hedge designation | Receive fixed callable
Notional Disclosures [Abstract]
Notional Amount	$ 1,860,384
Asset
Financial derivatives	112
(Liability)
Derivative liability	$ (456)
Weighted- Average Pay Rate	4.40%
Weighted- Average Receive Rate	4.42%
Weighted- Average Remaining Term (in years)	2 years 5 months 15 days
No hedge designation | Basis swaps
Notional Disclosures [Abstract]
Notional Amount	$ 6,800	$ 1,608,911
Asset
Financial derivatives	0	507
(Liability)
Derivative liability	(142)	$ (296)
Weighted- Average Pay Rate		0.17%
Weighted- Average Receive Rate		0.20%
Weighted- Average Remaining Term (in years)		3 years 3 months 21 days
No hedge designation | Treasury futures
Notional Disclosures [Abstract]
Notional Amount		$ 67,600
Asset
Financial derivatives		73
Gross Amounts offset in the Consolidated Balance Sheet	(5,212)	(1,374)
(Liability)
Derivative liability		0
Gross Amounts offset in the Consolidated Balance Sheet	$ 5,212	$ 1,374
Weighted- Average Forward Price (in dollars per share)	$ 114.38	$ 130.58