Loans (Aging of Past Due Loans) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Loans	$ 3,788,645	$ 3,007,926
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	10,633	3,182
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	3,706	808
Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	10,783	7,500
Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	25,122	11,490
Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans	3,763,523	2,996,436
Commercial and Industrial Loans
Financing Receivable, Past Due [Line Items]
Loans	620,106	493,005
Commercial and Industrial Loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	268	12
Commercial and Industrial Loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	681	0
Commercial and Industrial Loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	8,285	6,147
Commercial and Industrial Loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	9,234	6,159
Commercial and Industrial Loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans	610,872	486,846
Commercial Real Estate Loans
Financing Receivable, Past Due [Line Items]
Loans	1,966,884	1,530,677
Commercial Real Estate Loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,617	0
Commercial Real Estate Loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	14	5
Commercial Real Estate Loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	616	891
Commercial Real Estate Loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,247	896
Commercial Real Estate Loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,964,637	1,529,781
Agricultural Loans
Financing Receivable, Past Due [Line Items]
Loans	417,413	358,150
Agricultural Loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	343	0
Agricultural Loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Agricultural Loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	123	0
Agricultural Loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	466	0
Agricultural Loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans	416,947	358,150
Leases
Financing Receivable, Past Due [Line Items]
Loans	56,396	55,345
Leases | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Leases | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Leases | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Leases | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Leases | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans	56,396	55,345
Home Equity Loans
Financing Receivable, Past Due [Line Items]
Loans	279,748	222,525
Home Equity Loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,770	225
Home Equity Loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	140	229
Home Equity Loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	310	25
Home Equity Loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,220	479
Home Equity Loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans	277,528	222,046
Consumer Loans
Financing Receivable, Past Due [Line Items]
Loans	79,904	70,302
Consumer Loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	219	158
Consumer Loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	64	58
Consumer Loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	252	4
Consumer Loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	535	220
Consumer Loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans	79,369	70,082
Credit Cards
Financing Receivable, Past Due [Line Items]
Loans	17,512	14,357
Credit Cards | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	86	61
Credit Cards | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	24	9
Credit Cards | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	146	64
Credit Cards | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	256	134
Credit Cards | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans	17,256	14,223
Residential Mortgage Loans
Financing Receivable, Past Due [Line Items]
Loans	350,682	263,565
Residential Mortgage Loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	6,330	2,726
Residential Mortgage Loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,783	507
Residential Mortgage Loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,051	369
Residential Mortgage Loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	10,164	3,602
Residential Mortgage Loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans	$ 340,518	$ 259,963