Loans and Allowance for Credit Losses (Impaired Financing Receivables by Loan Class) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	$ 2,204	$ 2,553
Recorded investment with no allowance	1,927	1,922
Recorded investment with an allowance	18
Quarter-to-date average recorded investment	2,780	3,965
Year-to-date average recorded investment	2,944	4,482
Impaired Accruing Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	7,778	5,796
Recorded investment with no allowance	4,800	2,851
Recorded investment with an allowance	2,641	2,816
Related allowance	161	173
Quarter-to-date average recorded investment	4,938	6,390
Year-to-date average recorded investment	5,681	6,509
Interest recorded investment	94	136
Other Impaired Accruing Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	976	508
Recorded investment with no allowance	976	508
Quarter-to-date average recorded investment	794	838
Year-to-date average recorded investment	644	1,126
Interest recorded investment	12	9
Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	10,958	8,857
Recorded investment with no allowance	7,703	5,281
Recorded investment with an allowance	2,659	2,816
Related allowance	161	173
Quarter-to-date average recorded investment	8,512	11,193
Year-to-date average recorded investment	9,269	12,117
Interest recorded investment	106	145
Residential Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	941	882
Recorded investment with no allowance	840	803
Recorded investment with an allowance	18
Quarter-to-date average recorded investment	1,487	1,204
Year-to-date average recorded investment	1,482	1,307
Residential Portfolio Segment [Member] | Impaired Accruing Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	5,196	2,965
Recorded investment with no allowance	2,660	475
Recorded investment with an allowance	2,199	2,361
Related allowance	158	172
Quarter-to-date average recorded investment	2,773	3,354
Year-to-date average recorded investment	3,221	3,442
Interest recorded investment	56	89
Residential Portfolio Segment [Member] | Other Impaired Accruing Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	84	78
Recorded investment with no allowance	84	78
Quarter-to-date average recorded investment	5	359
Year-to-date average recorded investment	17	606
Interest recorded investment	4	7
Residential Portfolio Segment [Member] | Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	6,221	3,925
Recorded investment with no allowance	3,584	1,356
Recorded investment with an allowance	2,217	2,361
Related allowance	158	172
Quarter-to-date average recorded investment	4,265	4,917
Year-to-date average recorded investment	4,720	5,355
Interest recorded investment	60	96
Commercial Real Estate Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	540	994
Recorded investment with no allowance	539	606
Quarter-to-date average recorded investment	740	2,214
Year-to-date average recorded investment	823	2,613
Commercial Real Estate Portfolio Segment [Member] | Impaired Accruing Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	2,509	2,807
Recorded investment with no allowance	2,123	2,352
Recorded investment with an allowance	386	455
Related allowance		1
Quarter-to-date average recorded investment	2,147	3,005
Year-to-date average recorded investment	2,431	3,035
Interest recorded investment	38	46
Commercial Real Estate Portfolio Segment [Member] | Other Impaired Accruing Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	734	420
Recorded investment with no allowance	734	420
Quarter-to-date average recorded investment	524	479
Year-to-date average recorded investment	471	495
Interest recorded investment	4	2
Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	3,783	4,221
Recorded investment with no allowance	3,396	3,378
Recorded investment with an allowance	386	455
Related allowance		1
Quarter-to-date average recorded investment	3,411	5,698
Year-to-date average recorded investment	3,725	6,143
Interest recorded investment	42	48
Commercial Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	379	380
Recorded investment with no allowance	204	216
Quarter-to-date average recorded investment	208	241
Year-to-date average recorded investment	265	246
Commercial Portfolio Segment [Member] | Other Impaired Accruing Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance		10
Recorded investment with no allowance		10
Year-to-date average recorded investment	4	25
Interest recorded investment	1
Commercial Portfolio Segment [Member] | Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	379	390
Recorded investment with no allowance	204	226
Quarter-to-date average recorded investment	208	241
Year-to-date average recorded investment	269	271
Interest recorded investment	1
Consumer Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	47
Recorded investment with no allowance	47
Quarter-to-date average recorded investment	31	9
Year-to-date average recorded investment	52	19
Consumer Portfolio Segment [Member] | Impaired Accruing Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	56
Recorded investment with an allowance	56
Related allowance	3
Year-to-date average recorded investment	9
Consumer Portfolio Segment [Member] | Other Impaired Accruing Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Year-to-date average recorded investment	19
Consumer Portfolio Segment [Member] | Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	103
Recorded investment with no allowance	47
Recorded investment with an allowance	56
Related allowance	3
Quarter-to-date average recorded investment	31	9
Year-to-date average recorded investment	80	19
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	297	297
Recorded investment with no allowance	297	297
Quarter-to-date average recorded investment	314	297
Year-to-date average recorded investment	322	297
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] | Impaired Accruing Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	17	24
Recorded investment with no allowance	17	24
Quarter-to-date average recorded investment	18	31
Year-to-date average recorded investment	20	32
Interest recorded investment		1
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] | Other Impaired Accruing Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	158
Recorded investment with no allowance	158
Quarter-to-date average recorded investment	265
Year-to-date average recorded investment	133
Interest recorded investment	3
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] | Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	472	321
Recorded investment with no allowance	472	321
Quarter-to-date average recorded investment	597	328
Year-to-date average recorded investment	475	329
Interest recorded investment	$ 3	$ 1