Loans - Schedule of Allowance for Credit Losses by Portfolio Type (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Allowance for credit losses:
Balance, beginning of period	$ 79,829	$ 74,459	$ 80,398	$ 65,917
Provision (benefit) for credit losses	1,140	3,620	18,000	6,960
Loans charged off	(2,460)	(797)	(19,966)	(920)
Recoveries	451	80	528	149
Balance, end of period	78,960	77,362	78,960	77,362
Impact of adopting ASC 326
Allowance for credit losses:
Balance, beginning of period				5,256
Commercial and Industrial
Allowance for credit losses:
Balance, beginning of period	28,270	28,545	29,523	40,785
Provision (benefit) for credit losses	(1,025)	5,343	15,041	6,689
Loans charged off	(2,261)	(729)	(19,627)	(788)
Recoveries	414	38	461	94
Balance, end of period	25,398	33,197	25,398	33,197
Commercial and Industrial | Impact of adopting ASC 326
Allowance for credit losses:
Balance, beginning of period				(13,583)
Commercial Real Estate
Allowance for credit losses:
Balance, beginning of period	29,333	24,186	27,546	19,754
Provision (benefit) for credit losses	581	(2,588)	2,368	(2,026)
Loans charged off	0	0	0	0
Recoveries	5	0	5	3
Balance, end of period	29,919	21,598	29,919	21,598
Commercial Real Estate | Impact of adopting ASC 326
Allowance for credit losses:
Balance, beginning of period				3,867
Residential Real Estate
Allowance for credit losses:
Balance, beginning of period	14,989	14,165	16,345	2,963
Provision (benefit) for credit losses	1,031	773	(333)	1,719
Loans charged off	(38)	0	(38)	0
Recoveries	0	21	8	21
Balance, end of period	15,982	14,959	15,982	14,959
Residential Real Estate | Impact of adopting ASC 326
Allowance for credit losses:
Balance, beginning of period				10,256
Public Finance
Allowance for credit losses:
Balance, beginning of period	5,778	5,549	5,337	1,664
Provision (benefit) for credit losses	143	(43)	584	(48)
Loans charged off	0	0	0	0
Recoveries	0	0	0	0
Balance, end of period	5,921	5,506	5,921	5,506
Public Finance | Impact of adopting ASC 326
Allowance for credit losses:
Balance, beginning of period				3,890
Consumer
Allowance for credit losses:
Balance, beginning of period	624	676	717	352
Provision (benefit) for credit losses	171	225	196	354
Loans charged off	(161)	(68)	(301)	(132)
Recoveries	32	21	54	31
Balance, end of period	666	854	666	854
Consumer | Impact of adopting ASC 326
Allowance for credit losses:
Balance, beginning of period				249
Other
Allowance for credit losses:
Balance, beginning of period	835	1,338	930	399
Provision (benefit) for credit losses	239	(90)	144	272
Loans charged off	0	0	0	0
Recoveries	0	0	0	0
Balance, end of period	$ 1,074	$ 1,248	$ 1,074	1,248
Other | Impact of adopting ASC 326
Allowance for credit losses:
Balance, beginning of period				$ 577