Loans and Allowance for Credit Losses (Impaired Financing Receivables by Loan Class) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	$ 2,233	$ 2,553
Recorded investment with no allowance	1,936	1,922
Recorded investment with an allowance	15
Quarter-to-date average recorded investment	2,639	3,636
Year-to-date average recorded investment	2,842	4,200
Impaired Accruing Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	4,591	5,796
Recorded investment with no allowance	2,274	2,851
Recorded investment with an allowance	2,184	2,816
Related allowance	150	173
Quarter-to-date average recorded investment	4,594	5,812
Year-to-date average recorded investment	5,319	6,277
Interest recorded investment	132	187
Other Impaired Accruing Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	644	508
Recorded investment with no allowance	644	508
Quarter-to-date average recorded investment	1,599	749
Year-to-date average recorded investment	962	1,000
Interest recorded investment	17	17
Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	7,468	8,857
Recorded investment with no allowance	4,854	5,281
Recorded investment with an allowance	2,199	2,816
Related allowance	150	173
Quarter-to-date average recorded investment	8,832	10,197
Year-to-date average recorded investment	9,123	11,477
Interest recorded investment	149	204
Residential Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	1,374	882
Recorded investment with no allowance	1,268	803
Recorded investment with an allowance	15
Quarter-to-date average recorded investment	1,639	959
Year-to-date average recorded investment	1,534	1,191
Residential Portfolio Segment [Member] | Impaired Accruing Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	2,874	2,965
Recorded investment with no allowance	557	475
Recorded investment with an allowance	2,184	2,361
Related allowance	150	172
Quarter-to-date average recorded investment	2,750	2,871
Year-to-date average recorded investment	3,064	3,252
Interest recorded investment	83	118
Residential Portfolio Segment [Member] | Other Impaired Accruing Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	122	78
Recorded investment with no allowance	122	78
Quarter-to-date average recorded investment	745	328
Year-to-date average recorded investment	259	513
Interest recorded investment	3	7
Residential Portfolio Segment [Member] | Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	4,370	3,925
Recorded investment with no allowance	1,947	1,356
Recorded investment with an allowance	2,199	2,361
Related allowance	150	172
Quarter-to-date average recorded investment	5,134	4,158
Year-to-date average recorded investment	4,857	4,956
Interest recorded investment	86	125
Commercial Real Estate Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	159	994
Recorded investment with no allowance	150	606
Quarter-to-date average recorded investment	466	2,150
Year-to-date average recorded investment	704	2,459
Commercial Real Estate Portfolio Segment [Member] | Impaired Accruing Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	1,703	2,807
Recorded investment with no allowance	1,703	2,352
Recorded investment with an allowance		455
Related allowance		1
Quarter-to-date average recorded investment	1,830	2,913
Year-to-date average recorded investment	2,231	2,994
Interest recorded investment	48	67
Commercial Real Estate Portfolio Segment [Member] | Other Impaired Accruing Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	418	420
Recorded investment with no allowance	418	420
Quarter-to-date average recorded investment	537	421
Year-to-date average recorded investment	493	470
Interest recorded investment	7	10
Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	2,280	4,221
Recorded investment with no allowance	2,271	3,378
Recorded investment with an allowance		455
Related allowance		1
Quarter-to-date average recorded investment	2,833	5,484
Year-to-date average recorded investment	3,428	5,923
Interest recorded investment	55	77
Commercial Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	374	380
Recorded investment with no allowance	193	216
Quarter-to-date average recorded investment	197	230
Year-to-date average recorded investment	242	241
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
Quarter-to-date average recorded investment	13
Year-to-date average recorded investment	7	17
Interest recorded investment	1
Commercial Portfolio Segment [Member] | Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	374	390
Recorded investment with no allowance	193	226
Quarter-to-date average recorded investment	210	230
Year-to-date average recorded investment	249	258
Interest recorded investment	1
Consumer Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	29
Recorded investment with no allowance	28
Quarter-to-date average recorded investment	40
Year-to-date average recorded investment	48	12
Consumer Portfolio Segment [Member] | Impaired Accruing Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Year-to-date average recorded investment	6
Consumer Portfolio Segment [Member] | Other Impaired Accruing Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Year-to-date average recorded investment	13
Consumer Portfolio Segment [Member] | Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid principal balance	29
Recorded investment with no allowance	28
Quarter-to-date average recorded investment	40
Year-to-date average recorded investment	67	12
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	297	297
Year-to-date average recorded investment	314	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	14	24
Recorded investment with no allowance	14	24
Quarter-to-date average recorded investment	14	28
Year-to-date average recorded investment	18	31
Interest recorded investment	1	2
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	104
Recorded investment with no allowance	104
Quarter-to-date average recorded investment	304
Year-to-date average recorded investment	190
Interest recorded investment	6
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	415	321
Recorded investment with no allowance	415	321
Quarter-to-date average recorded investment	615	325
Year-to-date average recorded investment	522	328
Interest recorded investment	$ 7	$ 2