Loans and Leases, Changes in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
ACL for Loans and Leases [Roll Forward]
Balance at beginning of period	$ 75,018	$ 68,573	$ 74,965	$ 66,885	$ 66,885
Provision for/(reversal of) credit losses	0	2,500	0	4,000
Charge-offs	(16)	(9)	(26)	(32)	(60)
Recoveries	30	48	93	259
Net (charge-offs)/recoveries	14	39	67	227
Balance at end of period	75,032	71,112	75,032	71,112	74,965
ACL for Unfunded Commitments [Roll Forward]
Balance at beginning of period	3,690	2,090	3,690	2,090	2,090
Provision for/(reversal of) credit losses	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net (charge-offs)/recoveries	0	0	0	0
Balance at end of period	3,690	2,090	3,690	2,090	3,690
Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	78,708	70,663	78,655	68,975	68,975
Provision for/(reversal of) credit losses	0	2,500	0	4,000
Charge-offs	(16)	(9)	(26)	(32)
Recoveries	30	48	93	259
Net (charge-offs)/recoveries	14	39	67	227
Balance at end of period	78,722	73,202	78,722	73,202	78,655
Commercial & Agricultural R/E [Member]
ACL for Loans and Leases [Roll Forward]
Balance at beginning of period	33,791	32,694	33,837	32,551	32,551
Provision for/(reversal of) credit losses	5,303	2,001	5,257	1,974
Charge-offs	0	0	0	0
Recoveries	0	0	0	170
Net (charge-offs)/recoveries	0	0	0	170
Balance at end of period	39,094	34,695	39,094	34,695	33,837
Construction [Member]
ACL for Loans and Leases [Roll Forward]
Balance at beginning of period	4,616	2,785	4,432	3,026	3,026
Provision for/(reversal of) credit losses	(2,451)	410	(2,267)	169
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0
Net (charge-offs)/recoveries	0	0	0	0
Balance at end of period	2,165	3,195	2,165	3,195	4,432
Residential & Home Equity [Member]
ACL for Loans and Leases [Roll Forward]
Balance at beginning of period	7,721	7,334	7,770	7,508	7,508
Provision for/(reversal of) credit losses	(144)	(176)	(201)	(346)
Charge-offs	0	0	0	(14)	(14)
Recoveries	7	21	15	31
Net (charge-offs)/recoveries	7	21	15	17
Balance at end of period	7,584	7,179	7,584	7,179	7,770
Commercial & Agricultural [Member]
ACL for Loans and Leases [Roll Forward]
Balance at beginning of period	21,851	23,888	22,252	21,705	21,705
Provision for/(reversal of) credit losses	(3,991)	285	(4,410)	2,448
Charge-offs	0	0	0	0
Recoveries	20	21	38	41
Net (charge-offs)/recoveries	20	21	38	41
Balance at end of period	17,880	24,194	17,880	24,194	22,252
Commercial Leases [Member]
ACL for Loans and Leases [Roll Forward]
Balance at beginning of period	6,923	1,720	6,537	1,924	1,924
Provision for/(reversal of) credit losses	674	(63)	1,060	(267)
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0
Net (charge-offs)/recoveries	0	0	0	0
Balance at end of period	7,597	1,657	7,597	1,657	6,537
Consumer and Other [Member]
ACL for Loans and Leases [Roll Forward]
Balance at beginning of period	116	152	137	171	171
Provision for/(reversal of) credit losses	609	43	561	22
Charge-offs	(16)	(9)	(26)	(18)	(46)
Recoveries	3	6	40	17
Net (charge-offs)/recoveries	(13)	(3)	14	(1)
Balance at end of period	$ 712	$ 192	$ 712	$ 192	$ 137