Loans (Past Due Financing Receivables) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	$ 1,844,321	$ 1,821,407
Nonaccrual	8,124	6,115
Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	1,844,321	1,821,407
Purchased credit impaired | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	7,397	5,460
Current Accrual Loans | All Other Loans | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	1,835,456	1,814,905
Total Past Due | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	1,468	1,042
31-60 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	854	232
61-89 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	100	372
90 DPD Still Accruing and Not Accruing | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	35	50
Nonaccrual	479	388
Commercial Real Estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	5,889	4,602
Commercial Real Estate | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	1,265,519	1,232,826
Commercial Real Estate | Purchased credit impaired | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	5,889	4,602
Commercial Real Estate | Current Accrual Loans | All Other Loans | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	1,259,105	1,228,077
Commercial Real Estate | Total Past Due | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	525	147
Commercial Real Estate | 31-60 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	525	147
Commercial Real Estate | 61-89 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Commercial Real Estate | 90 DPD Still Accruing and Not Accruing | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Nonaccrual	0	0
Residential First Mortgages
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual		0
Residential First Mortgages | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	78,186	79,872
Residential First Mortgages | Purchased credit impaired | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	0
Residential First Mortgages | Current Accrual Loans | All Other Loans | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	78,186	79,872
Residential First Mortgages | Total Past Due | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Residential First Mortgages | 31-60 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Residential First Mortgages | 61-89 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Residential First Mortgages | 90 DPD Still Accruing and Not Accruing | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Nonaccrual	0	0
Residential Rentals
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	1,631	1,142
Residential Rentals | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	329,417	338,292
Residential Rentals | Purchased credit impaired | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	1,357	693
Residential Rentals | Current Accrual Loans | All Other Loans | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	327,786	337,150
Residential Rentals | Total Past Due | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	274	449
Residential Rentals | 31-60 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Residential Rentals | 61-89 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	177
Residential Rentals | 90 DPD Still Accruing and Not Accruing | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Nonaccrual	274	272
Construction and Land Development | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	18,474	17,259
Construction and Land Development | Purchased credit impaired | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	0
Construction and Land Development | Current Accrual Loans | All Other Loans | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	18,474	17,259
Construction and Land Development | Total Past Due | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Construction and Land Development | 31-60 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Construction and Land Development | 61-89 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Construction and Land Development | 90 DPD Still Accruing and Not Accruing | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Nonaccrual	0	0
Home equity and second mortgages | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	25,492	25,602
Home equity and second mortgages | Purchased credit impaired | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	0
Home equity and second mortgages | Current Accrual Loans | All Other Loans | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	24,954	25,273
Home equity and second mortgages | Total Past Due | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	538	329
Home equity and second mortgages | 31-60 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	263	53
Home equity and second mortgages | 61-89 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	70	160
Home equity and second mortgages | 90 DPD Still Accruing and Not Accruing | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Nonaccrual	205	116
Commercial Loans | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	40,666	42,055
Commercial Loans | Purchased credit impaired | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	0
Commercial Loans | Current Accrual Loans | All Other Loans | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	40,666	42,055
Commercial Loans | Total Past Due | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Commercial Loans | 31-60 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Commercial Loans | 61-89 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Commercial Loans | 90 DPD Still Accruing and Not Accruing | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Nonaccrual	0	0
Consumer Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	9
Consumer Loans | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	7,271	6,272
Consumer Loans | Purchased credit impaired | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	0
Consumer Loans | Current Accrual Loans | All Other Loans | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	7,140	6,166
Consumer Loans | Total Past Due | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	131	106
Consumer Loans | 31-60 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	66	21
Consumer Loans | 61-89 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	30	35
Consumer Loans | 90 DPD Still Accruing and Not Accruing | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	35	50
Nonaccrual	0	0
Commercial Equipment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	151	165
Commercial Equipment | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	79,296	78,890
Commercial Equipment | Purchased credit impaired | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	151	165
Commercial Equipment | Current Accrual Loans | All Other Loans | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	79,145	78,714
Commercial Equipment | Total Past Due | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	11
Commercial Equipment | 31-60 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	11
Commercial Equipment | 61-89 DPD | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Commercial Equipment | 90 DPD Still Accruing and Not Accruing | Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	0	0
Nonaccrual	$ 0	0
U.S. SBA PPP
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual		0
U.S. SBA PPP | Non Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans		339
Nonaccrual		0
U.S. SBA PPP | Current Accrual Loans | Non Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans		339
U.S. SBA PPP | Total Past Due | Non Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans		0
U.S. SBA PPP | 31-60 DPD | Non Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans		0
U.S. SBA PPP | 61-89 DPD | Non Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans		0
U.S. SBA PPP | 90 DPD Still Accruing and Not Accruing | Non Portfolio Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans		0
Nonaccrual		$ 0