Loans (Credit Quality Indicators Vintage) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Term loans amortized cost, current fiscal year	$ 1,616,371	$ 1,293,402
Term loans amortized cost, one year before current fiscal year	1,189,746	656,955
Term loans amortized cost, two years before current fiscal year	532,413	564,863
Term loans amortized cost, three years before current fiscal year	407,075	420,321
Term loans amortized cost, four years before current fiscal year	341,778	318,804
Term loans amortized cost, five years or more before current fiscal year	675,484	696,758
Revolving loans amortized cost	335,300	310,068
Revolving loans converted to term loans	11,972	11,754
Total	5,110,139	4,272,925
Commercial Real Estate [Member]
Term loans amortized cost, current fiscal year	612,175	426,794
Term loans amortized cost, one year before current fiscal year	405,386	214,096
Term loans amortized cost, two years before current fiscal year	178,117	294,922
Term loans amortized cost, three years before current fiscal year	194,529	237,281
Term loans amortized cost, four years before current fiscal year	178,234	170,091
Term loans amortized cost, five years or more before current fiscal year	253,037	286,341
Revolving loans amortized cost	6,389	7,335
Revolving loans converted to term loans	1,437	2,202
Total	1,829,304	1,639,062
Commercial Real Estate [Member] | Pass
Term loans amortized cost, current fiscal year	591,596	417,705
Term loans amortized cost, one year before current fiscal year	383,062	212,649
Term loans amortized cost, two years before current fiscal year	177,286	260,940
Term loans amortized cost, three years before current fiscal year	170,259	206,164
Term loans amortized cost, four years before current fiscal year	148,371	163,132
Term loans amortized cost, five years or more before current fiscal year	242,061	266,067
Revolving loans amortized cost	6,243	7,015
Revolving loans converted to term loans	1,437	2,202
Total	1,720,315	1,535,874
Commercial Real Estate [Member] | Special Mention
Term loans amortized cost, current fiscal year	20,579	9,089
Term loans amortized cost, one year before current fiscal year	22,324	489
Term loans amortized cost, two years before current fiscal year	328	33,982
Term loans amortized cost, three years before current fiscal year	24,270	28,432
Term loans amortized cost, four years before current fiscal year	28,676	0
Term loans amortized cost, five years or more before current fiscal year	10,564	20,273
Revolving loans amortized cost	146	320
Revolving loans converted to term loans	0	0
Total	106,887	92,585
Commercial Real Estate [Member] | Classified
Term loans amortized cost, current fiscal year	0	0
Term loans amortized cost, one year before current fiscal year	0	958
Term loans amortized cost, two years before current fiscal year	503	0
Term loans amortized cost, three years before current fiscal year	0	2,685
Term loans amortized cost, four years before current fiscal year	1,187	6,959
Term loans amortized cost, five years or more before current fiscal year	412	1
Revolving loans amortized cost	0	0
Revolving loans converted to term loans	0	0
Total	2,102	10,603
Commercial & Industrial [Member]
Term loans amortized cost, current fiscal year	140,718	116,959
Term loans amortized cost, one year before current fiscal year	63,405	78,601
Term loans amortized cost, two years before current fiscal year	71,265	105,433
Term loans amortized cost, three years before current fiscal year	86,477	92,218
Term loans amortized cost, four years before current fiscal year	86,438	57,774
Term loans amortized cost, five years or more before current fiscal year	114,241	98,787
Revolving loans amortized cost	93,108	90,872
Revolving loans converted to term loans	745	911
Total	656,397	641,555
Commercial & Industrial [Member] | Pass
Term loans amortized cost, current fiscal year	127,152	116,959
Term loans amortized cost, one year before current fiscal year	63,180	78,601
Term loans amortized cost, two years before current fiscal year	71,265	104,827
Term loans amortized cost, three years before current fiscal year	86,470	87,619
Term loans amortized cost, four years before current fiscal year	85,011	51,579
Term loans amortized cost, five years or more before current fiscal year	114,241	83,182
Revolving loans amortized cost	90,987	89,686
Revolving loans converted to term loans	745	911
Total	639,051	613,364
Commercial & Industrial [Member] | Special Mention
Term loans amortized cost, current fiscal year	13,566	0
Term loans amortized cost, one year before current fiscal year	0	0
Term loans amortized cost, two years before current fiscal year	0	606
Term loans amortized cost, three years before current fiscal year	0	4,599
Term loans amortized cost, four years before current fiscal year	1,427	6,195
Term loans amortized cost, five years or more before current fiscal year	0	15,605
Revolving loans amortized cost	1,426	1,186
Revolving loans converted to term loans	0	0
Total	16,419	28,191
Commercial & Industrial [Member] | Classified
Term loans amortized cost, current fiscal year	0	0
Term loans amortized cost, one year before current fiscal year	225	0
Term loans amortized cost, two years before current fiscal year	0	0
Term loans amortized cost, three years before current fiscal year	7	0
Term loans amortized cost, four years before current fiscal year	0	0
Term loans amortized cost, five years or more before current fiscal year	0	0
Revolving loans amortized cost	695	0
Revolving loans converted to term loans	0	0
Total	927	0
Residential Real Estate [Member]
Term loans amortized cost, current fiscal year	838,566	733,658
Term loans amortized cost, one year before current fiscal year	708,360	355,144
Term loans amortized cost, two years before current fiscal year	277,613	159,307
Term loans amortized cost, three years before current fiscal year	123,364	88,035
Term loans amortized cost, four years before current fiscal year	74,856	89,128
Term loans amortized cost, five years or more before current fiscal year	300,243	301,703
Revolving loans amortized cost	0	0
Revolving loans converted to term loans	0	0
Total	2,323,002	1,726,975
Residential Real Estate [Member] | Current
Term loans amortized cost, current fiscal year	838,566	733,658
Term loans amortized cost, one year before current fiscal year	707,760	353,742
Term loans amortized cost, two years before current fiscal year	277,613	158,140
Term loans amortized cost, three years before current fiscal year	123,098	85,656
Term loans amortized cost, four years before current fiscal year	72,541	88,365
Term loans amortized cost, five years or more before current fiscal year	294,549	297,792
Revolving loans amortized cost	0	0
Revolving loans converted to term loans	0	0
Total	2,314,127	1,717,353
Residential Real Estate [Member] | Past Due
Term loans amortized cost, current fiscal year	0	0
Term loans amortized cost, one year before current fiscal year	600	1,402
Term loans amortized cost, two years before current fiscal year	0	1,167
Term loans amortized cost, three years before current fiscal year	266	2,379
Term loans amortized cost, four years before current fiscal year	2,315	763
Term loans amortized cost, five years or more before current fiscal year	5,694	3,911
Revolving loans amortized cost	0	0
Revolving loans converted to term loans	0	0
Total	8,875	9,622
Home Equity [Member]
Term loans amortized cost, current fiscal year	20,665	10,434
Term loans amortized cost, one year before current fiscal year	8,308	5,850
Term loans amortized cost, two years before current fiscal year	3,742	3,888
Term loans amortized cost, three years before current fiscal year	2,406	2,380
Term loans amortized cost, four years before current fiscal year	2,015	1,064
Term loans amortized cost, five years or more before current fiscal year	3,237	3,837
Revolving loans amortized cost	235,552	211,603
Revolving loans converted to term loans	9,790	8,641
Total	285,715	247,697
Home Equity [Member] | Current
Term loans amortized cost, current fiscal year	20,665	10,434
Term loans amortized cost, one year before current fiscal year	8,308	5,850
Term loans amortized cost, two years before current fiscal year	3,742	3,703
Term loans amortized cost, three years before current fiscal year	2,406	2,380
Term loans amortized cost, four years before current fiscal year	1,947	1,064
Term loans amortized cost, five years or more before current fiscal year	3,139	3,592
Revolving loans amortized cost	235,004	211,488
Revolving loans converted to term loans	9,268	8,421
Total	284,479	246,932
Home Equity [Member] | Past Due
Term loans amortized cost, current fiscal year	0	0
Term loans amortized cost, one year before current fiscal year	0	0
Term loans amortized cost, two years before current fiscal year	0	185
Term loans amortized cost, three years before current fiscal year	0	0
Term loans amortized cost, four years before current fiscal year	68	0
Term loans amortized cost, five years or more before current fiscal year	98	245
Revolving loans amortized cost	548	115
Revolving loans converted to term loans	522	220
Total	1,236	765
Other Consumer [Member]
Term loans amortized cost, current fiscal year	4,247	5,557
Term loans amortized cost, one year before current fiscal year	4,287	3,264
Term loans amortized cost, two years before current fiscal year	1,676	1,313
Term loans amortized cost, three years before current fiscal year	299	407
Term loans amortized cost, four years before current fiscal year	235	747
Term loans amortized cost, five years or more before current fiscal year	4,726	6,090
Revolving loans amortized cost	251	258
Revolving loans converted to term loans	0	0
Total	15,721	17,636
Other Consumer [Member] | Current
Term loans amortized cost, current fiscal year	4,231	5,536
Term loans amortized cost, one year before current fiscal year	4,287	3,264
Term loans amortized cost, two years before current fiscal year	1,676	1,313
Term loans amortized cost, three years before current fiscal year	299	407
Term loans amortized cost, four years before current fiscal year	235	747
Term loans amortized cost, five years or more before current fiscal year	4,726	6,090
Revolving loans amortized cost	251	258
Revolving loans converted to term loans	0	0
Total	15,705	17,615
Other Consumer [Member] | Past Due
Term loans amortized cost, current fiscal year	16	21
Term loans amortized cost, one year before current fiscal year	0	0
Term loans amortized cost, two years before current fiscal year	0	0
Term loans amortized cost, three years before current fiscal year	0	0
Term loans amortized cost, four years before current fiscal year	0	0
Term loans amortized cost, five years or more before current fiscal year	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term loans	0	0
Total	$ 16	$ 21