Loans and Allowance for Credit Losses (Impaired Financing Receivables by Loan Class) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Nonaccrual TDRs
Unpaid principal balance
Unpaid principal balance	$ 2,207
Recorded investment with no allowance	1,908
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	2,844
Interest income recognized	0
Accruing TDRs
Unpaid principal balance
Unpaid principal balance	4,539
Recorded investment with no allowance	2,866
Recorded investment with an allowance	1,539
Related allowance	127
Year-to-date average recorded investment	5,095
Interest income recognized	165
Other impaired accruing loans:
Unpaid principal balance
Unpaid principal balance	1,841
Recorded investment with no allowance	1,841
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	1,308
Interest income recognized	40
Impaired Loans
Unpaid principal balance
Unpaid principal balance	8,587
Recorded investment with no allowance	6,615
Recorded investment with an allowance	1,539
Related allowance	127
Year-to-date average recorded investment	9,247
Interest income recognized	205
Construction | Nonaccrual TDRs
Unpaid principal balance
Unpaid principal balance	297
Recorded investment with no allowance	297
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	309
Interest income recognized	0
Construction | Accruing TDRs
Unpaid principal balance
Unpaid principal balance	10
Recorded investment with no allowance	10
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	16
Interest income recognized	1
Construction | Other impaired accruing loans:
Unpaid principal balance
Unpaid principal balance	24
Recorded investment with no allowance	24
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	215
Interest income recognized	6
Construction | Impaired Loans
Unpaid principal balance
Unpaid principal balance	331
Recorded investment with no allowance	331
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	540
Interest income recognized	7
Residential real estate | Nonaccrual TDRs
Unpaid principal balance
Unpaid principal balance	1,363
Recorded investment with no allowance	1,259
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	1,661
Interest income recognized	0
Residential real estate | Accruing TDRs
Unpaid principal balance
Unpaid principal balance	2,849
Recorded investment with no allowance	1,176
Recorded investment with an allowance	1,539
Related allowance	127
Year-to-date average recorded investment	2,979
Interest income recognized	108
Residential real estate | Other impaired accruing loans:
Unpaid principal balance
Unpaid principal balance	1,107
Recorded investment with no allowance	1,107
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	474
Interest income recognized	3
Residential real estate | Impaired Loans
Unpaid principal balance
Unpaid principal balance	5,319
Recorded investment with no allowance	3,542
Recorded investment with an allowance	1,539
Related allowance	127
Year-to-date average recorded investment	5,114
Interest income recognized	111
Commercial real estate | Nonaccrual TDRs
Unpaid principal balance
Unpaid principal balance	159
Recorded investment with no allowance	150
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	604
Interest income recognized	0
Commercial real estate | Accruing TDRs
Unpaid principal balance
Unpaid principal balance	1,680
Recorded investment with no allowance	1,680
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	2,095
Interest income recognized	56
Commercial real estate | Other impaired accruing loans:
Unpaid principal balance
Unpaid principal balance	710
Recorded investment with no allowance	710
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	553
Interest income recognized	30
Commercial real estate | Impaired Loans
Unpaid principal balance
Unpaid principal balance	2,549
Recorded investment with no allowance	2,540
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	3,252
Interest income recognized	86
Commercial | Nonaccrual TDRs
Unpaid principal balance
Unpaid principal balance	359
Recorded investment with no allowance	174
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	227
Interest income recognized	0
Commercial | Accruing TDRs
Unpaid principal balance
Unpaid principal balance	0
Recorded investment with no allowance	0
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	0
Interest income recognized	0
Commercial | Other impaired accruing loans:
Unpaid principal balance
Unpaid principal balance	0
Recorded investment with no allowance	0
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	51
Interest income recognized	1
Commercial | Impaired Loans
Unpaid principal balance
Unpaid principal balance	359
Recorded investment with no allowance	174
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	278
Interest income recognized	1
Consumer | Nonaccrual TDRs
Unpaid principal balance
Unpaid principal balance	29
Recorded investment with no allowance	28
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	43
Interest income recognized	0
Consumer | Accruing TDRs
Unpaid principal balance
Unpaid principal balance	0
Recorded investment with no allowance	0
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	5
Interest income recognized	0
Consumer | Other impaired accruing loans:
Unpaid principal balance
Unpaid principal balance	0
Recorded investment with no allowance	0
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	15
Interest income recognized	0
Consumer | Impaired Loans
Unpaid principal balance
Unpaid principal balance	29
Recorded investment with no allowance	28
Recorded investment with an allowance	0
Related allowance	0
Year-to-date average recorded investment	63
Interest income recognized	$ 0