Revision of Prior Period Financial Statements - Schedule of Revised Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income	$ 178,144	$ 136,089	$ 114,376
Adjustments to reconcile net income to net cash provided by operating activities:
Net change in fair value of trading securities, hedged assets, and financial derivatives	689,998	205,701	(240,545)
Deferred income taxes	12,406	(1,630)	(2,826)
Net change in:
Interest receivable	(63,777)	4,446	10,319
Other assets	(126,054)	(9,830)	(10,304)
Accrued interest payable	58,884	(9,526)	(22,732)
Other liabilities	7,075	(445)	839
Net cash provided by/(used in) operating activities	$ 809,271	436,412	(94,547)
As previously Reported
Cash flows from operating activities:
Net income		132,260	108,648
Adjustments to reconcile net income to net cash provided by operating activities:
Net change in fair value of trading securities, hedged assets, and financial derivatives		203,758	(256,466)
Deferred income taxes		(1,960)	(2,406)
Net change in:
Interest receivable		6,945	11,054
Other assets		(9,830)	(3,348)
Accrued interest payable		(8,746)	(14,221)
Other liabilities		2,378	5,866
Net cash provided by/(used in) operating activities		436,412	(94,547)
Adjustments
Cash flows from operating activities:
Net income		3,829	5,728
Adjustments to reconcile net income to net cash provided by operating activities:
Net change in fair value of trading securities, hedged assets, and financial derivatives		1,943	15,921
Deferred income taxes		330	(420)
Net change in:
Interest receivable		(2,499)	(735)
Other assets		0	(6,956)
Accrued interest payable		(780)	(8,511)
Other liabilities		(2,823)	(5,027)
Net cash provided by/(used in) operating activities		$ 0	$ 0