Loans and Allowance for Credit Losses (Impaired Financing Receivables by Loan Class) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Impaired Nonaccrual Loans
Loan Receivables:
Unpaid principal balance	$ 2,207
Recorded investment with no allowance	1,908
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	2,639
Year-to-date average recorded investment	2,842
Interest income recognized	0
Impaired Accruing Restructured Loans
Loan Receivables:
Unpaid principal balance	4,539
Recorded investment with no allowance	2,866
Recorded investment with an allowance	1,539
Related allowance	127
Quarter-to-date average recorded investment	4,594
Year-to-date average recorded investment	5,319
Interest income recognized	132
Other Impaired Accruing Loans
Loan Receivables:
Unpaid principal balance	1,841
Recorded investment with no allowance	1,841
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	1,599
Year-to-date average recorded investment	962
Interest income recognized	17
Impaired Loans
Loan Receivables:
Unpaid principal balance	8,587
Recorded investment with no allowance	6,615
Recorded investment with an allowance	1,539
Related allowance	127
Quarter-to-date average recorded investment	8,832
Year-to-date average recorded investment	9,123
Interest income recognized	149
Construction | Impaired Nonaccrual Loans
Loan Receivables:
Unpaid principal balance	297
Recorded investment with no allowance	297
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	297
Year-to-date average recorded investment	314
Interest income recognized	0
Construction | Impaired Accruing Restructured Loans
Loan Receivables:
Unpaid principal balance	10
Recorded investment with no allowance	10
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	14
Year-to-date average recorded investment	18
Interest income recognized	1
Construction | Other Impaired Accruing Loans
Loan Receivables:
Unpaid principal balance	24
Recorded investment with no allowance	24
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	304
Year-to-date average recorded investment	190
Interest income recognized	6
Construction | Impaired Loans
Loan Receivables:
Unpaid principal balance	331
Recorded investment with no allowance	331
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	615
Year-to-date average recorded investment	522
Interest income recognized	7
Residential real estate | Impaired Nonaccrual Loans
Loan Receivables:
Unpaid principal balance	1,363
Recorded investment with no allowance	1,259
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	1,639
Year-to-date average recorded investment	1,534
Interest income recognized	0
Residential real estate | Impaired Accruing Restructured Loans
Loan Receivables:
Unpaid principal balance	2,849
Recorded investment with no allowance	1,176
Recorded investment with an allowance	1,539
Related allowance	127
Quarter-to-date average recorded investment	2,750
Year-to-date average recorded investment	3,064
Interest income recognized	83
Residential real estate | Other Impaired Accruing Loans
Loan Receivables:
Unpaid principal balance	1,107
Recorded investment with no allowance	1,107
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	745
Year-to-date average recorded investment	259
Interest income recognized	3
Residential real estate | Impaired Loans
Loan Receivables:
Unpaid principal balance	5,319
Recorded investment with no allowance	3,542
Recorded investment with an allowance	1,539
Related allowance	127
Quarter-to-date average recorded investment	5,134
Year-to-date average recorded investment	4,857
Interest income recognized	86
Commercial real estate | Impaired Nonaccrual Loans
Loan Receivables:
Unpaid principal balance	159
Recorded investment with no allowance	150
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	466
Year-to-date average recorded investment	704
Interest income recognized	0
Commercial real estate | Impaired Accruing Restructured Loans
Loan Receivables:
Unpaid principal balance	1,680
Recorded investment with no allowance	1,680
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	1,830
Year-to-date average recorded investment	2,231
Interest income recognized	48
Commercial real estate | Other Impaired Accruing Loans
Loan Receivables:
Unpaid principal balance	710
Recorded investment with no allowance	710
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	537
Year-to-date average recorded investment	493
Interest income recognized	7
Commercial real estate | Impaired Loans
Loan Receivables:
Unpaid principal balance	2,549
Recorded investment with no allowance	2,540
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	2,833
Year-to-date average recorded investment	3,428
Interest income recognized	55
Commercial | Impaired Nonaccrual Loans
Loan Receivables:
Unpaid principal balance	359
Recorded investment with no allowance	174
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	197
Year-to-date average recorded investment	242
Interest income recognized	0
Commercial | Impaired Accruing Restructured Loans
Loan Receivables:
Unpaid principal balance	0
Recorded investment with no allowance	0
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	0
Year-to-date average recorded investment	0
Interest income recognized	0
Commercial | Other Impaired Accruing Loans
Loan Receivables:
Unpaid principal balance	0
Recorded investment with no allowance	0
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	13
Year-to-date average recorded investment	7
Interest income recognized	1
Commercial | Impaired Loans
Loan Receivables:
Unpaid principal balance	359
Recorded investment with no allowance	174
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	210
Year-to-date average recorded investment	249
Interest income recognized	1
Consumer | Impaired Nonaccrual Loans
Loan Receivables:
Unpaid principal balance	29
Recorded investment with no allowance	28
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	40
Year-to-date average recorded investment	48
Interest income recognized	0
Consumer | Impaired Accruing Restructured Loans
Loan Receivables:
Unpaid principal balance	0
Recorded investment with no allowance	0
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	0
Year-to-date average recorded investment	6
Interest income recognized	0
Consumer | Other Impaired Accruing Loans
Loan Receivables:
Unpaid principal balance	0
Recorded investment with no allowance	0
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	0
Year-to-date average recorded investment	13
Interest income recognized	0
Consumer | Impaired Loans
Loan Receivables:
Unpaid principal balance	29
Recorded investment with no allowance	28
Recorded investment with an allowance	0
Related allowance	0
Quarter-to-date average recorded investment	40
Year-to-date average recorded investment	67
Interest income recognized	$ 0