Loans (Retail Loan Portfolio Categorized by Performance Status) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Residential Real Estate Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	$ 79,882	$ 92,699
Prior Fiscal Year 1	86,126	129,295
Prior Fiscal Year 2	119,329	86,101
Prior Fiscal Year 3	77,232	66,423
Prior Fiscal Year 4	56,197	51,831
Prior	171,194	150,950
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	589,960	577,299
Residential Real Estate Loans [Member] | Performing [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	79,882	92,620
Prior Fiscal Year 1	85,821	129,240
Prior Fiscal Year 2	118,819	85,876
Prior Fiscal Year 3	76,437	65,866
Prior Fiscal Year 4	55,520	50,932
Prior	169,410	150,392
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	585,889	574,926
Residential Real Estate Loans [Member] | Non-Performing [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	0	79
Prior Fiscal Year 1	305	55
Prior Fiscal Year 2	510	225
Prior Fiscal Year 3	795	557
Prior Fiscal Year 4	677	899
Prior	1,784	558
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	4,071	2,373
Residential Real Estate Lines [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	0	0
Prior Fiscal Year 1	0	0
Prior Fiscal Year 2	0	0
Prior Fiscal Year 3	0	0
Prior Fiscal Year 4	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	70,976	70,560
Revolving Loans Converted to Term	6,694	7,971
Total	77,670	78,531
Residential Real Estate Lines [Member] | Performing [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	0	0
Prior Fiscal Year 1	0	0
Prior Fiscal Year 2	0	0
Prior Fiscal Year 3	0	0
Prior Fiscal Year 4	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	70,942	70,521
Revolving Loans Converted to Term	6,586	7,810
Total	77,528	78,331
Residential Real Estate Lines [Member] | Non-Performing [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	0	0
Prior Fiscal Year 1	0	0
Prior Fiscal Year 2	0	0
Prior Fiscal Year 3	0	0
Prior Fiscal Year 4	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	34	39
Revolving Loans Converted to Term	108	161
Total	142	200
Consumer Indirect [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	441,080	453,018
Prior Fiscal Year 1	333,111	206,987
Prior Fiscal Year 2	127,096	123,285
Prior Fiscal Year 3	60,362	91,228
Prior Fiscal Year 4	39,557	51,734
Prior	22,414	31,796
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	1,023,620	958,048
Consumer Indirect [Member] | Performing [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	440,332	452,601
Prior Fiscal Year 1	331,902	206,472
Prior Fiscal Year 2	126,664	122,849
Prior Fiscal Year 3	59,981	90,998
Prior Fiscal Year 4	39,352	51,598
Prior	22,310	31,750
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	1,020,541	956,268
Consumer Indirect [Member] | Non-Performing [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	748	417
Prior Fiscal Year 1	1,209	515
Prior Fiscal Year 2	432	436
Prior Fiscal Year 3	381	230
Prior Fiscal Year 4	205	136
Prior	104	46
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	3,079	1,780
Other Consumer [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	6,463	4,422
Prior Fiscal Year 1	2,664	3,738
Prior Fiscal Year 2	2,043	1,681
Prior Fiscal Year 3	761	763
Prior Fiscal Year 4	213	280
Prior	308	1,044
Revolving Loans Amortized Cost Basis	2,658	2,549
Revolving Loans Converted to Term	0	0
Total	15,110	14,477
Other Consumer [Member] | Performing [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	6,463	4,422
Prior Fiscal Year 1	2,664	3,738
Prior Fiscal Year 2	2,043	1,681
Prior Fiscal Year 3	761	763
Prior Fiscal Year 4	213	280
Prior	308	1,044
Revolving Loans Amortized Cost Basis	2,656	2,549
Revolving Loans Converted to Term	0	0
Total	15,108	14,477
Other Consumer [Member] | Non-Performing [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	0	0
Prior Fiscal Year 1	0	0
Prior Fiscal Year 2	0	0
Prior Fiscal Year 3	0	0
Prior Fiscal Year 4	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	2	0
Revolving Loans Converted to Term	0	0
Total	$ 2	$ 0