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Loans - Schedule of Loan Portfolio Summarized by the Past Due Status (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	$ 636	$ 855
Financing Receivable, before Allowance for Credit Loss	1,557,776	1,637,784	$ 1,733,563
Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	7,617	11,000
30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	812	4,612
60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,270	3,801
Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	4,535	2,587
Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,550,159	1,626,784
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	0
Financing Receivable, before Allowance for Credit Loss	272,539	320,154	350,251
Commercial and industrial | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,631	1,785
Commercial and industrial | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	18	1,554
Commercial and industrial | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,344	231
Commercial and industrial | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,269	0
Commercial and industrial | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	269,908	318,369
Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	0
Financing Receivable, before Allowance for Credit Loss	778,310	744,627	767,697
Commercial real estate | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	3,693	4,766
Commercial real estate | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	638	452
Commercial real estate | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	526	2,683
Commercial real estate | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,529	1,631
Commercial real estate | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	774,617	739,861
Commercial real estate construction
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	97
Financing Receivable, before Allowance for Credit Loss	42,659	53,902	41,349
Commercial real estate construction | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	215
Commercial real estate construction | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	42
Commercial real estate construction | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	76
Commercial real estate construction | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	97
Commercial real estate construction | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	42,659	53,687
Residential mortgage
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	542	668
Financing Receivable, before Allowance for Credit Loss	357,422	401,340	446,145
Residential mortgage | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,073	3,669
Residential mortgage | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	92	2,216
Residential mortgage | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	338	684
Residential mortgage | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	643	769
Residential mortgage | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	356,349	397,671
Home equity lines of credit
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	94	90
Financing Receivable, before Allowance for Credit Loss	94,824	104,610	114,402
Home equity lines of credit | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	139	400
Home equity lines of credit | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	29	250
Home equity lines of credit | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	16	60
Home equity lines of credit | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	94	90
Home equity lines of credit | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	94,685	104,210
Consumer
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	0
Financing Receivable, before Allowance for Credit Loss	12,022	13,151	$ 13,719
Consumer | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	81	165
Consumer | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	35	98
Consumer | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	46	67
Consumer | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Consumer | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	11,941	12,986
Originated Loans
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	443	580
Financing Receivable, before Allowance for Credit Loss	1,196,826	1,228,096
Originated Loans | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	6,966	8,396
Originated Loans | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	461	3,099
Originated Loans | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,163	2,985
Originated Loans | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	4,342	2,312
Originated Loans | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,189,860	1,219,700
Originated Loans | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	0
Financing Receivable, before Allowance for Credit Loss	236,210	277,903
Originated Loans | Commercial and industrial | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,524	1,432
Originated Loans | Commercial and industrial | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	18	1,432
Originated Loans | Commercial and industrial | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,237	0
Originated Loans | Commercial and industrial | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,269	0
Originated Loans | Commercial and industrial | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	233,686	276,471
Originated Loans | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	0
Financing Receivable, before Allowance for Credit Loss	535,195	479,123
Originated Loans | Commercial real estate | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	3,434	4,227
Originated Loans | Commercial real estate | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	379	133
Originated Loans | Commercial real estate | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	526	2,463
Originated Loans | Commercial real estate | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,529	1,631
Originated Loans | Commercial real estate | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	531,761	474,896
Originated Loans | Commercial real estate construction
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	0
Financing Receivable, before Allowance for Credit Loss	34,323	41,208
Originated Loans | Commercial real estate construction | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	76
Originated Loans | Commercial real estate construction | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Originated Loans | Commercial real estate construction | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	76
Originated Loans | Commercial real estate construction | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Originated Loans | Commercial real estate construction | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	34,323	41,132
Originated Loans | Residential mortgage
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	349	522
Financing Receivable, before Allowance for Credit Loss	304,637	337,137
Originated Loans | Residential mortgage | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	788	2,340
Originated Loans | Residential mortgage | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	1,382
Originated Loans | Residential mortgage | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	338	335
Originated Loans | Residential mortgage | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	450	623
Originated Loans | Residential mortgage | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	303,849	334,797
Originated Loans | Home equity lines of credit
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	94	58
Financing Receivable, before Allowance for Credit Loss	75,585	80,906
Originated Loans | Home equity lines of credit | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	139	172
Originated Loans | Home equity lines of credit | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	29	54
Originated Loans | Home equity lines of credit | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	16	60
Originated Loans | Home equity lines of credit | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	94	58
Originated Loans | Home equity lines of credit | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	75,446	80,734
Originated Loans | Consumer
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	0
Financing Receivable, before Allowance for Credit Loss	10,876	11,819
Originated Loans | Consumer | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	81	149
Originated Loans | Consumer | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	35	98
Originated Loans | Consumer | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	46	51
Originated Loans | Consumer | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Originated Loans | Consumer | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	10,795	11,670
Acquired Loans
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	193	275
Financing Receivable, before Allowance for Credit Loss	360,950	409,688
Acquired Loans | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	651	2,604
Acquired Loans | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	351	1,513
Acquired Loans | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	107	816
Acquired Loans | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	193	275
Acquired Loans | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	360,299	407,084
Acquired Loans | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	0
Financing Receivable, before Allowance for Credit Loss	36,329	42,251
Acquired Loans | Commercial and industrial | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	107	353
Acquired Loans | Commercial and industrial | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	122
Acquired Loans | Commercial and industrial | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	107	231
Acquired Loans | Commercial and industrial | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Acquired Loans | Commercial and industrial | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	36,222	41,898
Acquired Loans | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	0
Financing Receivable, before Allowance for Credit Loss	243,115	265,504
Acquired Loans | Commercial real estate | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	259	539
Acquired Loans | Commercial real estate | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	259	319
Acquired Loans | Commercial real estate | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	220
Acquired Loans | Commercial real estate | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Acquired Loans | Commercial real estate | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	242,856	264,965
Acquired Loans | Commercial real estate construction
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	97
Financing Receivable, before Allowance for Credit Loss	8,336	12,694
Acquired Loans | Commercial real estate construction | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	139
Acquired Loans | Commercial real estate construction | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	42
Acquired Loans | Commercial real estate construction | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Acquired Loans | Commercial real estate construction | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	97
Acquired Loans | Commercial real estate construction | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	8,336	12,555
Acquired Loans | Residential mortgage
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	193	146
Financing Receivable, before Allowance for Credit Loss	52,785	64,203
Acquired Loans | Residential mortgage | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	285	1,329
Acquired Loans | Residential mortgage | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	92	834
Acquired Loans | Residential mortgage | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	349
Acquired Loans | Residential mortgage | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	193	146
Acquired Loans | Residential mortgage | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	52,500	62,874
Acquired Loans | Home equity lines of credit
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	32
Financing Receivable, before Allowance for Credit Loss	19,239	23,704
Acquired Loans | Home equity lines of credit | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	228
Acquired Loans | Home equity lines of credit | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	196
Acquired Loans | Home equity lines of credit | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Acquired Loans | Home equity lines of credit | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	32
Acquired Loans | Home equity lines of credit | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	19,239	23,476
Acquired Loans | Consumer
Financing Receivable, Past Due [Line Items]
Loans Receivable greater than 90 Days and Accruing	0	0
Financing Receivable, before Allowance for Credit Loss	1,146	1,332
Acquired Loans | Consumer | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	16
Acquired Loans | Consumer | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Acquired Loans | Consumer | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	16
Acquired Loans | Consumer | Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Acquired Loans | Consumer | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 1,146	$ 1,316

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