Allowance for Credit Losses - Schedule of Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Allowance for Credit Losses
Balance at beginning of the period	$ 84,361	$ 75,450	$ 83,500	$ 69,899
(Reversal of) provision for credit losses	29,077	(951)	40,777	(10,226)
Loans charged-off	(9,085)	(5,520)	(23,414)	(9,842)
Recoveries	1,603	1,496	5,093	1,970
Balance at end of the period	105,956	70,475	105,956	70,475
Cumulative effect of adoption of accounting principle
Allowance for Credit Losses
Balance at beginning of the period				18,674
Real Estate
Allowance for Credit Losses
Balance at beginning of the period	23,195	25,027	25,237	17,952
(Reversal of) provision for credit losses	18,903	(4,578)	16,722	(14,925)
Loans charged-off	0	0	0	0
Recoveries	140	10	279	14
Balance at end of the period	42,238	20,459	42,238	20,459
Real Estate | Cumulative effect of adoption of accounting principle
Allowance for Credit Losses
Balance at beginning of the period				17,418
Commercial
Allowance for Credit Losses
Balance at beginning of the period	30,647	25,079	25,888	38,979
(Reversal of) provision for credit losses	6,386	(718)	15,787	(3,362)
Loans charged-off	(1,452)	(4,605)	(9,427)	(7,880)
Recoveries	1,045	1,396	4,378	1,696
Balance at end of the period	36,626	21,152	36,626	21,152
Commercial | Cumulative effect of adoption of accounting principle
Allowance for Credit Losses
Balance at beginning of the period				(8,281)
Financial Institutions
Allowance for Credit Losses
Balance at beginning of the period	0	0	0	42
(Reversal of) provision for credit losses	0	0	0	0
Loans charged-off	0	0	0	0
Recoveries	0	0	0	0
Balance at end of the period	0	0	0	0
Financial Institutions | Cumulative effect of adoption of accounting principle
Allowance for Credit Losses
Balance at beginning of the period				(42)
Consumer and Others
Allowance for Credit Losses
Balance at beginning of the period	30,519	25,344	32,375	12,926
(Reversal of) provision for credit losses	3,788	4,345	8,268	8,061
Loans charged-off	(7,633)	(915)	(13,987)	(1,962)
Recoveries	418	90	436	260
Balance at end of the period	$ 27,092	$ 28,864	$ 27,092	28,864
Consumer and Others | Cumulative effect of adoption of accounting principle
Allowance for Credit Losses
Balance at beginning of the period				$ 9,579