Loans (Commercial Loan Portfolio Categorized by Internally Assigned Asset Classification) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Commercial Business [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	$ 86,087	$ 146,819
Prior Fiscal Year 1	144,908	107,424
Prior Fiscal Year 2	87,110	69,851
Prior Fiscal Year 3	50,660	29,693
Prior Fiscal Year 4	22,406	40,146
Prior	59,003	22,501
Revolving Loans Amortized Cost Basis	261,364	247,815
Revolving Loans Converted to Term	0	0
Total	711,538	664,249
Commercial Business [Member] | Uncriticized [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	76,916	146,581
Prior Fiscal Year 1	139,811	105,001
Prior Fiscal Year 2	84,553	61,115
Prior Fiscal Year 3	37,819	29,644
Prior Fiscal Year 4	22,265	39,625
Prior	57,698	21,467
Revolving Loans Amortized Cost Basis	246,765	244,848
Revolving Loans Converted to Term	0	0
Total	665,827	648,281
Commercial Business [Member] | Special Mention [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	7,129	238
Prior Fiscal Year 1	5,056	2,351
Prior Fiscal Year 2	2,502	8,736
Prior Fiscal Year 3	12,841	7
Prior Fiscal Year 4	81	5
Prior	47	0
Revolving Loans Amortized Cost Basis	2,801	1,809
Revolving Loans Converted to Term	0	0
Total	30,457	13,146
Commercial Business [Member] | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	2,042	0
Prior Fiscal Year 1	41	72
Prior Fiscal Year 2	55	0
Prior Fiscal Year 3	0	42
Prior Fiscal Year 4	60	516
Prior	1,258	1,034
Revolving Loans Amortized Cost Basis	11,798	1,158
Revolving Loans Converted to Term	0	0
Total	15,254	2,822
Commercial Business [Member] | Doubtful [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	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Commercial Business [Member] | Current Period Gross Write-offs [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	0
Prior Fiscal Year 1	5
Prior Fiscal Year 2	3
Prior Fiscal Year 3	12
Prior Fiscal Year 4	8
Prior	235
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	263
Commercial Mortgage [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	295,218	467,850
Prior Fiscal Year 1	572,520	380,340
Prior Fiscal Year 2	370,287	262,887
Prior Fiscal Year 3	244,362	172,132
Prior Fiscal Year 4	152,451	0
Prior	350,441	269,757
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	1,985,279	1,679,840
Commercial Mortgage [Member] | Uncriticized [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	289,493	464,863
Prior Fiscal Year 1	571,684	380,138
Prior Fiscal Year 2	365,629	260,463
Prior Fiscal Year 3	234,150	171,918
Prior Fiscal Year 4	152,261	116,770
Prior	316,695	248,771
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	1,929,912	1,642,923
Commercial Mortgage [Member] | Special Mention [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	2,300	0
Prior Fiscal Year 1	339	0
Prior Fiscal Year 2	4,140	2,319
Prior Fiscal Year 3	9,176	136
Prior Fiscal Year 4	0	0
Prior	16,373	11,784
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	32,328	14,239
Commercial Mortgage [Member] | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	3,425	2,987
Prior Fiscal Year 1	497	202
Prior Fiscal Year 2	518	105
Prior Fiscal Year 3	1,036	78
Prior Fiscal Year 4	190	10,104
Prior	17,373	9,202
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	23,039	22,678
Commercial Mortgage [Member] | Doubtful [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	0	0
Revolving Loans Converted to Term	0	0
Total	0	$ 0
Commercial Mortgage [Member] | Current Period Gross Write-offs [Member]
Financing Receivable Recorded Investment [Line Items]
Current Fiscal Year	0
Prior Fiscal Year 1	0
Prior Fiscal Year 2	0
Prior Fiscal Year 3	0
Prior Fiscal Year 4	0
Prior	18
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	$ 18