Loans and Leases - Allowance for Loan and Lease Losses and Reserve for Unfunded Loan Commitments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Receivables [Abstract]
Balance, beginning of period	$ 188,705	$ 225,600	$ 200,564	$ 348,181
Reserve for Unfunded Loan Commitments, Balance, beginning of period	95,071	74,571	73,071	85,571
Allowance for Credit Losses, Balance, beginning of period	283,776	300,171	273,635	433,752
Allowance for Loan and Lease Losses, Charge-offs	(4,652)	(1,516)	(10,685)	(6,320)
Reserve for Unfunded Loan Commitments, Charge-offs	0	0	0	0
Allowance for Credit Losses, Charge-offs	(4,652)	(1,516)	(10,685)	(6,320)
Allowance for Loan and Lease Loss, Recoveries	2,274	1,149	8,448	8,372
Reserve for Unfunded Loan Commitments, Recoveries	0	0	0	0
Allowance for Credit Losses, Recoveries	2,274	1,149	8,448	8,372
Net (charge-offs) recoveries	(2,378)	(367)	(2,237)	2,052
Reserve for Unfunded Loan Commitments, Net charge-offs	0	0	0	0
Allowance For Credit Losses, Net charge-offs	(2,378)	(367)	(2,237)	2,052
Provision for Loan, Leases and Unfunded Loan Commitments	3,000	(20,000)	13,000	(156,000)
Provision for credit losses	3,000	(21,500)	(9,000)	(146,500)
Reserve for Unfunded Commitments, Provision (negative provision)	0	(1,500)	22,000	(9,500)
Balance, end of period	189,327	203,733	189,327	203,733
Reserve for Unfunded Loan Commitments, Balance, end of period	95,071	76,071	95,071	76,071
Allowance for Credit Losses, Balance, end of period	$ 284,398	$ 279,804	$ 284,398	$ 279,804