Loans - Schedule of Amortized Cost Basis of Loans by Vintage, Credit Quality Indicator and Class of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable Recorded Investment [Line Items]
Total	$ 5,296,168	$ 5,491,240
Residential [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	219,471	251,178
Year 1	374,409	196,232
Year 2	113,979	136,536
Year 3	66,550	131,073
Year 4	73,948	137,833
Prior	306,366	335,395
Revolving Loans	2,871	2,834
Total	1,157,594	1,191,081
Commercial [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	514,799	523,705
Year 1	499,494	465,423
Year 2	398,570	328,375
Year 3	247,314	363,222
Year 4	287,767	209,367
Prior	489,440	450,912
Revolving Loans	10,279	19,151
Total	2,447,663	2,360,155
Construction Portfolio Segment [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	198,221	107,203
Year 1	113,106	100,553
Year 2	55,707	90,103
Year 3	16,035	11,666
Year 4	1,711	2,911
Prior	145	148
Total	384,925	312,584
Commercial Loan Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	293,780	570,006
Year 1	146,433	147,204
Year 2	88,785	85,503
Year 3	47,981	45,073
Year 4	25,921	21,556
Prior	21,832	27,359
Revolving Loans	260,237	276,342
Total	884,969	1,173,043
Home Equity and Improvement Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	24,722	8,736
Year 1	6,870	7,483
Year 2	4,895	4,508
Year 3	2,927	7,963
Year 4	5,561	7,748
Prior	32,007	31,468
Revolving Loans	183,966	199,883
Total	260,948	267,789
Consumer Portfolio Segment | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	50,398	38,665
Year 1	26,573	37,699
Year 2	23,619	19,404
Year 3	9,772	10,607
Year 4	4,380	4,397
Prior	2,900	3,272
Revolving Loans	10,090	6,743
Total	127,732	120,787
PCD [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Year 1		45
Year 2	237	2,378
Year 3	1,781	18,078
Year 4	5,102	4,535
Prior	19,087	27,963
Revolving Loans	6,130	12,802
Total	32,337	65,801
Pass [Member] | Residential [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	219,006	250,979
Year 1	373,439	196,158
Year 2	112,781	136,247
Year 3	65,544	130,759
Year 4	71,794	137,581
Prior	301,735	333,572
Revolving Loans	1,913	2,627
Total	1,146,212	1,187,923
Pass [Member] | Commercial [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	514,333	517,691
Year 1	493,575	457,905
Year 2	388,117	299,072
Year 3	230,734	300,573
Year 4	237,712	198,247
Prior	451,113	414,082
Revolving Loans	9,262	16,082
Total	2,324,846	2,203,652
Pass [Member] | Construction Portfolio Segment [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	198,221	101,616
Year 1	100,606	100,553
Year 2	55,707	82,972
Year 3	10,039	11,666
Year 4	685	2,911
Prior	145	148
Total	365,403	299,866
Pass [Member] | Commercial Loan Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	293,644	568,678
Year 1	132,703	144,977
Year 2	84,668	82,492
Year 3	47,421	42,421
Year 4	24,269	21,262
Prior	17,038	21,969
Revolving Loans	256,659	260,490
Total	856,402	1,142,289
Pass [Member] | Home Equity and Improvement Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	24,707	8,736
Year 1	6,870	7,483
Year 2	4,867	4,508
Year 3	2,879	7,963
Year 4	5,534	7,748
Prior	31,317	31,382
Revolving Loans	182,740	199,530
Total	258,914	267,350
Pass [Member] | Consumer Portfolio Segment | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	50,202	38,665
Year 1	25,866	37,601
Year 2	23,000	19,401
Year 3	9,643	10,607
Year 4	4,313	4,393
Prior	2,769	3,272
Revolving Loans	10,086	6,743
Total	125,879	120,682
Pass [Member] | PCD [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Year 1		45
Year 2	170	2,378
Year 3	1,753	2,547
Year 4	1,860	1,524
Prior	12,496	18,998
Revolving Loans	3,268	1,337
Total	19,547	26,829
Special Mention [Member]
Financing Receivable Recorded Investment [Line Items]
Total	129,430	152,272
Special Mention [Member] | Residential [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year		199
Year 1	190
Year 3		62
Year 4	59	116
Prior	109	211
Revolving Loans	958	207
Total	1,316	795
Special Mention [Member] | Commercial [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	294	6,014
Year 1	5,349	7,239
Year 2	5,533	10,452
Year 3	11,055	60,712
Year 4	49,993	7,977
Prior	20,662	17,723
Revolving Loans	790	922
Total	93,676	111,039
Special Mention [Member] | Construction Portfolio Segment [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year		5,587
Year 1	12,500
Year 2		7,131
Year 3	5,996
Year 4	1,026
Total	19,522	12,718
Special Mention [Member] | Commercial Loan Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year		1,180
Year 1	2,180	2,026
Year 2	4,094	2,514
Year 3	272	2,109
Year 4	1,264	37
Prior	4,663	5,121
Revolving Loans	2,342	10,920
Total	14,815	23,907
Special Mention [Member] | PCD [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Year 3		1,160
Year 4		509
Prior	101	1,758
Revolving Loans		386
Total	101	3,813
Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Total	69,535	90,377
Substandard [Member] | Residential [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	465
Year 1	780	74
Year 2	1,198	289
Year 3	1,006	252
Year 4	2,095	136
Prior	4,522	1,612
Revolving Loans
Total	10,066	2,363
Substandard [Member] | Commercial [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	172
Year 1	570	279
Year 2	4,920	18,851
Year 3	5,525	1,937
Year 4	62	3,143
Prior	17,665	19,107
Revolving Loans	227	2,147
Total	29,141	45,464
Substandard [Member] | Commercial Loan Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	136	148
Year 1	11,550	201
Year 2	23	497
Year 3	288	543
Year 4	388	257
Prior	131	269
Revolving Loans	1,236	4,932
Total	13,752	6,847
Substandard [Member] | Home Equity and Improvement Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	15
Year 2	28
Year 3	48
Year 4	27
Prior	690	86
Revolving Loans	1,226	353
Total	2,034	439
Substandard [Member] | Consumer Portfolio Segment | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	196
Year 1	707	98
Year 2	619	3
Year 3	129
Year 4	67	4
Prior	131
Revolving Loans	4
Total	1,853	105
Substandard [Member] | PCD [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Year 2	67
Year 3	28	14,371
Year 4	3,242	2,502
Prior	6,490	7,207
Revolving Loans	2,862	11,079
Total	$ 12,689	$ 35,159