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, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Receivables [Abstract]
Balance, beginning of period	$ 219,234	$ 188,705	$ 200,732	$ 200,564
Reserve for Unfunded Loan Commitments, Balance, beginning of period	37,571	95,071	91,071	73,071
Allowance for Credit Losses, Balance, beginning of period	256,805	283,776	291,803	273,635
Allowance for Loan and Lease Losses, Charge-offs	(6,695)	(4,652)	(48,800)	(10,685)
Reserve for Unfunded Loan Commitments, Charge-offs	0	0	0	0
Allowance for Credit Losses, Charge-offs	(6,695)	(4,652)	(48,800)	(10,685)
Allowance for Loan and Lease Loss, Recoveries	1,758	2,274	3,865	8,448
Reserve for Unfunded Loan Commitments, Recoveries	0	0	0	0
Allowance for Credit Losses, Recoveries	1,758	2,274	3,865	8,448
Net (charge-offs) recoveries	(4,937)	(2,378)	(44,935)	(2,237)
Reserve for Unfunded Loan Commitments, Net charge-offs	0	0	0	0
Allowance For Credit Losses, Net charge-offs	(4,937)	(2,378)	(44,935)	(2,237)
Provision for Loan, Leases and Unfunded Loan Commitments	0	3,000	5,000	13,000
Provision for credit losses	8,000	3,000	66,500	9,000
Reserve for Unfunded Commitments, Provision (negative provision)	(8,000)	0	61,500	(22,000)
Balance, end of period	222,297	189,327	222,297	189,327
Reserve for Unfunded Loan Commitments, Balance, end of period	29,571	95,071	29,571	95,071
Allowance for Credit Losses, Balance, end of period	$ 251,868	$ 284,398	$ 251,868	$ 284,398