Loans (Credit Quality Indicators Vintage) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	$ 710,620	$ 1,293,402
Term loans amortized cost, prior year	1,184,553	656,955
Term loans amortized cost, two years ago	566,907	564,863
Term loans amortized cost, three years ago	443,788	420,321
Term loans amortized cost, four years ago	377,194	318,804
Term loans amortized cost, five years ago or more	843,378	696,758
Revolving loans amortized cost	343,092	310,068
Revolving loans converted to term loans	10,290	11,754
Total	4,479,822	4,272,925
Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	244,412	426,794
Term loans amortized cost, prior year	379,835	214,096
Term loans amortized cost, two years ago	188,010	294,922
Term loans amortized cost, three years ago	215,132	237,281
Term loans amortized cost, four years ago	199,429	170,091
Term loans amortized cost, five years ago or more	372,945	286,341
Revolving loans amortized cost	8,317	7,335
Revolving loans converted to term loans	1,538	2,202
Total	1,609,618	1,639,062
Commercial Real Estate | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	244,412	417,705
Term loans amortized cost, prior year	361,991	212,649
Term loans amortized cost, two years ago	186,538	260,940
Term loans amortized cost, three years ago	201,926	206,164
Term loans amortized cost, four years ago	179,055	163,132
Term loans amortized cost, five years ago or more	361,827	266,067
Revolving loans amortized cost	8,084	7,015
Revolving loans converted to term loans	1,538	2,202
Total	1,545,371	1,535,874
Commercial Real Estate | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	0	9,089
Term loans amortized cost, prior year	17,844	489
Term loans amortized cost, two years ago	532	33,982
Term loans amortized cost, three years ago	13,206	28,432
Term loans amortized cost, four years ago	17,689	0
Term loans amortized cost, five years ago or more	10,704	20,273
Revolving loans amortized cost	233	320
Revolving loans converted to term loans	0	0
Total	60,208	92,585
Commercial Real Estate | Classified [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	0	0
Term loans amortized cost, prior year	0	958
Term loans amortized cost, two years ago	940	0
Term loans amortized cost, three years ago	0	2,685
Term loans amortized cost, four years ago	2,685	6,959
Term loans amortized cost, five years ago or more	414	1
Revolving loans amortized cost	0	0
Revolving loans converted to term loans	0	0
Total	4,039	10,603
Commercial & Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	44,301	116,959
Term loans amortized cost, prior year	65,054	78,601
Term loans amortized cost, two years ago	78,323	105,433
Term loans amortized cost, three years ago	90,706	92,218
Term loans amortized cost, four years ago	97,271	57,774
Term loans amortized cost, five years ago or more	134,134	98,787
Revolving loans amortized cost	109,659	90,872
Revolving loans converted to term loans	822	911
Total	620,270	641,555
Commercial & Industrial | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	43,777	116,959
Term loans amortized cost, prior year	65,054	78,601
Term loans amortized cost, two years ago	78,323	104,827
Term loans amortized cost, three years ago	90,213	87,619
Term loans amortized cost, four years ago	95,810	51,579
Term loans amortized cost, five years ago or more	120,606	83,182
Revolving loans amortized cost	107,352	89,686
Revolving loans converted to term loans	822	911
Total	601,957	613,364
Commercial & Industrial | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	524	0
Term loans amortized cost, prior year	0	0
Term loans amortized cost, two years ago	0	606
Term loans amortized cost, three years ago	448	4,599
Term loans amortized cost, four years ago	1,461	6,195
Term loans amortized cost, five years ago or more	13,528	15,605
Revolving loans amortized cost	1,611	1,186
Revolving loans converted to term loans	0	0
Total	17,572	28,191
Commercial & Industrial | Classified [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	0	0
Term loans amortized cost, prior year	0	0
Term loans amortized cost, two years ago	0	0
Term loans amortized cost, three years ago	45	0
Term loans amortized cost, four years ago	0	0
Term loans amortized cost, five years ago or more	0	0
Revolving loans amortized cost	696	0
Revolving loans converted to term loans	0	0
Total	741	0
Residential Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	406,919	733,658
Term loans amortized cost, prior year	725,462	355,144
Term loans amortized cost, two years ago	294,634	159,307
Term loans amortized cost, three years ago	134,293	88,035
Term loans amortized cost, four years ago	78,039	89,128
Term loans amortized cost, five years ago or more	326,994	301,703
Revolving loans amortized cost	0	0
Revolving loans converted to term loans	0	0
Total	1,966,341	1,726,975
Residential Real Estate | Current [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	406,919	733,658
Term loans amortized cost, prior year	725,462	353,742
Term loans amortized cost, two years ago	293,236	158,140
Term loans amortized cost, three years ago	133,137	85,656
Term loans amortized cost, four years ago	75,624	88,365
Term loans amortized cost, five years ago or more	324,169	297,792
Revolving loans amortized cost	0	0
Revolving loans converted to term loans	0	0
Total	1,958,547	1,717,353
Residential Real Estate | Past Due [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	0	0
Term loans amortized cost, prior year	0	1,402
Term loans amortized cost, two years ago	1,398	1,167
Term loans amortized cost, three years ago	1,156	2,379
Term loans amortized cost, four years ago	2,415	763
Term loans amortized cost, five years ago or more	2,825	3,911
Revolving loans amortized cost	0	0
Revolving loans converted to term loans	0	0
Total	7,794	9,622
Home Equity
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	13,101	10,434
Term loans amortized cost, prior year	9,001	5,850
Term loans amortized cost, two years ago	4,021	3,888
Term loans amortized cost, three years ago	2,872	2,380
Term loans amortized cost, four years ago	2,171	1,064
Term loans amortized cost, five years ago or more	3,835	3,837
Revolving loans amortized cost	224,854	211,603
Revolving loans converted to term loans	7,930	8,641
Total	267,785	247,697
Home Equity | Current [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	13,101	10,434
Term loans amortized cost, prior year	9,001	5,850
Term loans amortized cost, two years ago	4,021	3,703
Term loans amortized cost, three years ago	2,872	2,380
Term loans amortized cost, four years ago	2,171	1,064
Term loans amortized cost, five years ago or more	3,719	3,592
Revolving loans amortized cost	224,332	211,488
Revolving loans converted to term loans	7,839	8,421
Total	267,056	246,932
Home Equity | Past Due [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	0	0
Term loans amortized cost, prior year	0	0
Term loans amortized cost, two years ago	0	185
Term loans amortized cost, three years ago	0	0
Term loans amortized cost, four years ago	0	0
Term loans amortized cost, five years ago or more	116	245
Revolving loans amortized cost	522	115
Revolving loans converted to term loans	91	220
Total	729	765
Other
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	1,887	5,557
Term loans amortized cost, prior year	5,201	3,264
Term loans amortized cost, two years ago	1,919	1,313
Term loans amortized cost, three years ago	785	407
Term loans amortized cost, four years ago	284	747
Term loans amortized cost, five years ago or more	5,470	6,090
Revolving loans amortized cost	262	258
Revolving loans converted to term loans	0	0
Total	15,808	17,636
Other | Current [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	1,859	5,536
Term loans amortized cost, prior year	5,201	3,264
Term loans amortized cost, two years ago	1,919	1,313
Term loans amortized cost, three years ago	785	407
Term loans amortized cost, four years ago	284	747
Term loans amortized cost, five years ago or more	5,470	6,090
Revolving loans amortized cost	262	258
Revolving loans converted to term loans	0	0
Total	15,780	17,615
Other | Past Due [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost, current year	28	21
Term loans amortized cost, prior year	0	0
Term loans amortized cost, two years ago	0	0
Term loans amortized cost, three years ago	0	0
Term loans amortized cost, four years ago	0	0
Term loans amortized cost, five years ago or more	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term loans	0	0
Total	$ 28	$ 21