Loans and Leases, Aging Analysis of Loan & Lease Portfolio Including Unearned Income (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
90+ Days Past Due	$ 0	$ 0
Nonaccrual	411	516
Loans and leases, net	3,323,862	3,237,177
Total Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	616	1,068
30-89 Days Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	205	552
Current [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	3,323,246	3,236,109
Real Estate [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
90+ Days Past Due	0	0
Nonaccrual	411	18
Loans and leases, net	2,508,012	2,357,912
Real Estate [Member] | Total Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	606	566
Real Estate [Member] | 30-89 Days Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	195	548
Real Estate [Member] | Current [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	2,507,406	2,357,346
Commercial [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
90+ Days Past Due	0	0
Nonaccrual	411	0
Loans and leases, net	1,238,691	1,157,338
Commercial [Member] | Total Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	581	459
Commercial [Member] | 30-89 Days Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	170	459
Commercial [Member] | Current [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	1,238,110	1,156,879
Agricultural [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
90+ Days Past Due	0	0
Nonaccrual	0	18
Loans and leases, net	722,448	672,830
Agricultural [Member] | Total Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	0	18
Agricultural [Member] | 30-89 Days Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	0	0
Agricultural [Member] | Current [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	722,448	672,812
Residential and Home Equity [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
90+ Days Past Due	0	0
Nonaccrual	0	0
Loans and leases, net	377,249	350,581
Residential and Home Equity [Member] | Total Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	25	89
Residential and Home Equity [Member] | 30-89 Days Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	25	89
Residential and Home Equity [Member] | Current [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	377,224	350,492
Construction [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
90+ Days Past Due	0	0
Nonaccrual	0	0
Loans and leases, net	169,624	177,163
Construction [Member] | Total Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	0	0
Construction [Member] | 30-89 Days Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	0	0
Construction [Member] | Current [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	169,624	177,163
Commercial and Industrial [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
90+ Days Past Due	0	0
Nonaccrual	0	0
Loans and leases, net	454,185	427,799
Commercial and Industrial [Member] | Total Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	0	0
Commercial and Industrial [Member] | 30-89 Days Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	0	0
Commercial and Industrial [Member] | Current [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	454,185	427,799
Agricultural [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
90+ Days Past Due	0	0
Nonaccrual	0	498
Loans and leases, net	260,296	276,684
Agricultural [Member] | Total Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	0	498
Agricultural [Member] | 30-89 Days Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	0	0
Agricultural [Member] | Current [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	260,296	276,186
Commercial Leases [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
90+ Days Past Due	0	0
Nonaccrual	0	0
Loans and leases, net	93,593	96,415
Commercial Leases [Member] | Total Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	0	0
Commercial Leases [Member] | 30-89 Days Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	0	0
Commercial Leases [Member] | Current [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	93,593	96,415
Consumer and Other [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
90+ Days Past Due	0	0
Nonaccrual	0	0
Loans and leases, net	7,776	78,367
Consumer and Other [Member] | Total Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	10	4
Consumer and Other [Member] | 30-89 Days Past Due [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	10	4
Consumer and Other [Member] | Current [Member]
Aging Analysis of Loan & Lease Portfolio by Time Past Due [Abstract]
Loans and leases, net	$ 7,766	$ 78,363