Loans (Risk Category of Loans by Class of Loans) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Nonaccrual [Line Items]
Prior	$ 552,259	$ 461,554
2019	170,712	104,237
2020	247,147	172,653
2021	366,482	252,529
2022	451,019	370,691
2023	51,265	455,235
Revolving Loans	5,437	4,508
Total	1,844,321	1,821,407
Total loans by risk category
Financing Receivable, Nonaccrual [Line Items]
Prior	496,881	409,552
2019	150,358	99,029
2020	237,337	152,105
2021	357,132	242,447
2022	440,875	360,687
2023	50,789	445,502
Revolving Loans	0	0
Total	1,733,372	1,709,322
Total loans evaluated by performing status
Financing Receivable, Nonaccrual [Line Items]
Prior	55,378	52,002
2019	20,354	5,208
2020	9,810	20,548
2021	9,350	10,082
2022	10,144	10,004
2023	476	9,733
Revolving Loans	5,437	4,508
Total	110,949	112,085
Commercial Real Estate
Financing Receivable, Nonaccrual [Line Items]
Current period gross write-off, prior	0
Current period gross write-off, 2019	0
Current period gross write-off, 2020	0
Current period gross write-off, 2021	0
Current period gross write-off, 2022	0
Current period gross write-off, 2023	0
Current period gross write-off, revolving loans	0
Current period gross write-off, total	0
Commercial Real Estate | Pass
Financing Receivable, Nonaccrual [Line Items]
Prior	393,557	329,575
2019	108,531	73,742
2020	175,180	107,264
2021	261,755	184,263
2022	287,060	272,567
2023	23,827	256,622
Revolving Loans	0	0
Total	1,249,910	1,224,033
Commercial Real Estate | Special Mention
Financing Receivable, Nonaccrual [Line Items]
Prior	4,167	0
2019	0	4,191
2020	5,553	0
2021	0	0
2022	0	0
2023	0	0
Revolving Loans	0	0
Total	9,720	4,191
Commercial Real Estate | Substandard
Financing Receivable, Nonaccrual [Line Items]
Prior	2,088	792
2019	2,960	0
2020	0	2,967
2021	841	0
2022	0	843
2023	0	0
Revolving Loans	0	0
Total	5,889	4,602
Commercial Real Estate | Total loans by risk category
Financing Receivable, Nonaccrual [Line Items]
Prior	399,812	330,367
2019	111,491	77,933
2020	180,733	110,231
2021	262,596	184,263
2022	287,060	273,410
2023	23,827	256,622
Revolving Loans	0	0
Total	1,265,519	1,232,826
Residential Rentals
Financing Receivable, Nonaccrual [Line Items]
Current period gross write-off, prior	0
Current period gross write-off, 2019	0
Current period gross write-off, 2020	0
Current period gross write-off, 2021	0
Current period gross write-off, 2022	0
Current period gross write-off, 2023	0
Current period gross write-off, revolving loans	0
Current period gross write-off, total	0
Residential Rentals | Pass
Financing Receivable, Nonaccrual [Line Items]
Prior	46,757	44,257
2019	20,527	4,429
2020	47,452	20,690
2021	72,733	48,237
2022	119,293	65,889
2023	21,024	153,648
Revolving Loans	0	0
Total	327,786	337,150
Residential Rentals | Special Mention
Financing Receivable, Nonaccrual [Line Items]
Prior	0	0
2019	0	0
2020	0	0
2021	0	0
2022	0	0
2023	0	0
Revolving Loans	0	0
Total	0	0
Residential Rentals | Substandard
Financing Receivable, Nonaccrual [Line Items]
Prior	1,631	1,142
2019	0	0
2020	0	0
2021	0	0
2022	0	0
2023	0	0
Revolving Loans	0	0
Total	1,631	1,142
Residential Rentals | Total loans by risk category
Financing Receivable, Nonaccrual [Line Items]
Prior	48,388	45,399
2019	20,527	4,429
2020	47,452	20,690
2021	72,733	48,237
2022	119,293	65,889
2023	21,024	153,648
Revolving Loans	0	0
Total	329,417	338,292
Construction and Land Development
Financing Receivable, Nonaccrual [Line Items]
Current period gross write-off, prior	0
Current period gross write-off, 2019	0
Current period gross write-off, 2020	0
Current period gross write-off, 2021	0
Current period gross write-off, 2022	0
Current period gross write-off, 2023	0
Current period gross write-off, revolving loans	0
Current period gross write-off, total	0
Construction and Land Development | Pass
Financing Receivable, Nonaccrual [Line Items]
Prior	11,181	2,355
2019	2,595	7,788
2020	631	4,255
2021	3,360	729
2022	148	2,020
2023	559	112
Revolving Loans	0	0
Total	18,474	17,259
Construction and Land Development | Special Mention
Financing Receivable, Nonaccrual [Line Items]
Prior	0	0
2019	0	0
2020	0	0
2021	0	0
2022	0	0
2023	0	0
Revolving Loans	0	0
Total	0	0
Construction and Land Development | Substandard
Financing Receivable, Nonaccrual [Line Items]
Prior	0	0
2019	0	0
2020	0	0
2021	0	0
2022	0	0
2023	0	0
Revolving Loans	0	0
Total	0	0
Construction and Land Development | Total loans by risk category
Financing Receivable, Nonaccrual [Line Items]
Prior	11,181	2,355
2019	2,595	7,788
2020	631	4,255
2021	3,360	729
2022	148	2,020
2023	559	112
Revolving Loans	0	0
Total	18,474	17,259
Commercial Loans
Financing Receivable, Nonaccrual [Line Items]
Current period gross write-off, prior	0
Current period gross write-off, 2019	0
Current period gross write-off, 2020	0
Current period gross write-off, 2021	0
Current period gross write-off, 2022	0
Current period gross write-off, 2023	0
Current period gross write-off, revolving loans	0
Current period gross write-off, total	0
Commercial Loans | Pass
Financing Receivable, Nonaccrual [Line Items]
Prior	25,502	23,225
2019	2,260	4,298
2020	1,985	2,463
2021	6,258	1,872
2022	3,708	6,420
2023	953	3,777
Revolving Loans	0	0
Total	40,666	42,055
Commercial Loans | Special Mention
Financing Receivable, Nonaccrual [Line Items]
Prior	0	0
2019	0	0
2020	0	0
2021	0	0
2022	0	0
2023	0	0
Revolving Loans	0	0
Total	0	0
Commercial Loans | Substandard
Financing Receivable, Nonaccrual [Line Items]
Prior	0	0
2019	0	0
2020	0	0
2021	0	0
2022	0	0
2023	0	0
Revolving Loans	0	0
Total	0	0
Commercial Loans | Total loans by risk category
Financing Receivable, Nonaccrual [Line Items]
Prior	25,502	23,225
2019	2,260	4,298
2020	1,985	2,463
2021	6,258	1,872
2022	3,708	6,420
2023	953	3,777
Revolving Loans	0	0
Total	40,666	42,055
Commercial Equipment
Financing Receivable, Nonaccrual [Line Items]
Current period gross write-off, prior	(21)
Current period gross write-off, 2019	0
Current period gross write-off, 2020	0
Current period gross write-off, 2021	0
Current period gross write-off, 2022	0
Current period gross write-off, 2023	0
Current period gross write-off, revolving loans	0
Current period gross write-off, total	(21)
Commercial Equipment | Pass
Financing Receivable, Nonaccrual [Line Items]
Prior	11,833	8,206
2019	13,361	4,411
2020	6,536	14,329
2021	12,185	7,346
2022	30,638	12,948
2023	4,426	31,315
Revolving Loans	0	0
Total	78,979	78,555
Commercial Equipment | Special Mention
Financing Receivable, Nonaccrual [Line Items]
Prior	165	0
2019	0	170
2020	0	0
2021	0	0
2022	0	0
2023	0	0
Revolving Loans	0	0
Total	165	170
Commercial Equipment | Substandard
Financing Receivable, Nonaccrual [Line Items]
Prior	0	0
2019	124	0
2020	0	137
2021	0	0
2022	28	0
2023	0	28
Revolving Loans	0	0
Total	152	165
Commercial Equipment | Total loans by risk category
Financing Receivable, Nonaccrual [Line Items]
Prior	11,998	8,206
2019	13,485	4,581
2020	6,536	14,466
2021	12,185	7,346
2022	30,666	12,948
2023	4,426	31,343
Revolving Loans	0	0
Total	79,296	78,890
Residential First Mortgages
Financing Receivable, Nonaccrual [Line Items]
Current period gross write-off, prior	0
Current period gross write-off, 2019	0
Current period gross write-off, 2020	0
Current period gross write-off, 2021	0
Current period gross write-off, 2022	0
Current period gross write-off, 2023	0
Current period gross write-off, revolving loans	0
Current period gross write-off, total	0
Residential First Mortgages | Performing
Financing Receivable, Nonaccrual [Line Items]
Prior	39,629	37,428
2019	19,273	3,584
2020	8,465	19,411
2021	5,178	8,523
2022	5,641	5,235
2023	0	5,691
Revolving Loans	0	0
Total	78,186	79,872
Residential First Mortgages | Non-performing
Financing Receivable, Nonaccrual [Line Items]
Prior	0	0
2019	0	0
2020	0	0
2021	0	0
2022	0	0
2023	0	0
Revolving Loans	0	0
Total	0	0
Residential First Mortgages | Total loans evaluated by performing status
Financing Receivable, Nonaccrual [Line Items]
Prior	39,629	37,428
2019	19,273	3,584
2020	8,465	19,411
2021	5,178	8,523
2022	5,641	5,235
2023	0	5,691
Revolving Loans	0	0
Total	78,186	79,872
Home equity and second mortgages
Financing Receivable, Nonaccrual [Line Items]
Current period gross write-off, prior	0
Current period gross write-off, 2019	0
Current period gross write-off, 2020	0
Current period gross write-off, 2021	0
Current period gross write-off, 2022	0
Current period gross write-off, 2023	0
Current period gross write-off, revolving loans	0
Current period gross write-off, total	0
Home equity and second mortgages | Performing
Financing Receivable, Nonaccrual [Line Items]
Prior	15,259
2019	1,012
2020	1,244
2021	3,599
2022	3,729
2023	205
Revolving Loans	0
Total	25,048
Home equity and second mortgages | Non-performing
Financing Receivable, Nonaccrual [Line Items]
Prior	444
2019	0
2020	0
2021	0
2022	0
2023	0
Revolving Loans	0
Total	444
Home equity and second mortgages | Total loans evaluated by performing status
Financing Receivable, Nonaccrual [Line Items]
Prior	15,703
2019	1,012
2020	1,244
2021	3,599
2022	3,729
2023	205
Revolving Loans	0
Total	25,492
Consumer Loans
Financing Receivable, Nonaccrual [Line Items]
Current period gross write-off, prior	0
Current period gross write-off, 2019	0
Current period gross write-off, 2020	0
Current period gross write-off, 2021	0
Current period gross write-off, 2022	0
Current period gross write-off, 2023	0
Current period gross write-off, revolving loans	(44)
Current period gross write-off, total	(44)
Consumer Loans | Performing
Financing Receivable, Nonaccrual [Line Items]
Prior	46	49
2019	69	2
2020	101	96
2021	573	118
2022	774	618
2023	271	881
Revolving Loans	5,437	4,508
Total	7,271	6,272
Consumer Loans | Non-performing
Financing Receivable, Nonaccrual [Line Items]
Prior	0	0
2019		0
2020	0	0
2021		0
2022		0
2023		0
Revolving Loans	0	0
Total	0	0
Consumer Loans | Total loans evaluated by performing status
Financing Receivable, Nonaccrual [Line Items]
Prior	46	49
2019	69	2
2020	101	96
2021	573	118
2022	774	618
2023	271	881
Revolving Loans	5,437	4,508
Total	$ 7,271	6,272
U.S. SBA PPP | Performing
Financing Receivable, Nonaccrual [Line Items]
Prior		0
2019		0
2020		0
2021		0
2022		339
2023		0
Revolving Loans		0
Total		339
U.S. SBA PPP | Non-performing
Financing Receivable, Nonaccrual [Line Items]
Prior		0
2019		0
2020		0
2021		0
2022		0
2023		0
Revolving Loans		0
Total		0
U.S. SBA PPP | Total loans evaluated by performing status
Financing Receivable, Nonaccrual [Line Items]
Prior		0
2019		0
2020		0
2021		0
2022		339
2023		0
Revolving Loans		0
Total		339
Home Equity and Second Mortgages | Performing
Financing Receivable, Nonaccrual [Line Items]
Prior		14,319
2019		1,622
2020		1,041
2021		1,441
2022		3,812
2023		3,161
Revolving Loans		0
Total		25,396
Home Equity and Second Mortgages | Non-performing
Financing Receivable, Nonaccrual [Line Items]
Prior		206
2019		0
2020		0
2021		0
2022		0
2023		0
Revolving Loans		0
Total		206
Home Equity and Second Mortgages | Total loans evaluated by performing status
Financing Receivable, Nonaccrual [Line Items]
Prior		14,525
2019		1,622
2020		1,041
2021		1,441
2022		3,812
2023		3,161
Revolving Loans		0
Total		$ 25,602