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Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Risk Grade and Origination Year (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
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Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | $ 377,821 | $ 578,922
Financing receivable, originated, year two | 401,306 | 275,977
Financing receivable, originated, year three | 335,705 | 275,069
Financing receivable, originated, year four | 267,686 | 180,349
Financing receivable, originated, year five | 157,066 | 138,246
Prior | 577,221 | 428,702
Revolving Loans Amortized Cost | 200,214 | 211,291
Total | 2,317,019 | 2,088,556
Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 377,821 | 570,028
Financing receivable, originated, year two | 391,036 | 260,532
Financing receivable, originated, year three | 332,088 | 257,552
Financing receivable, originated, year four | 239,397 | 161,310
Financing receivable, originated, year five | 138,852 | 123,131
Prior | 521,186 | 412,109
Revolving Loans Amortized Cost | 194,216 | 191,213
Total | 2,194,596 | 1,975,875
Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 | 0
Financing receivable, originated, year two | 2,997 | 12,729
Financing receivable, originated, year three | 3,328 | 13,082
Financing receivable, originated, year four | 27,580 | 19,022
Financing receivable, originated, year five | 18,214 | 7,354
Prior | 47,279 | 14,774
Revolving Loans Amortized Cost | 4,037 | 19,891
Total | 103,435 | 86,852
Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 | 8,894
Financing receivable, originated, year two | 7,155 | 2,716
Financing receivable, originated, year three | 289 | 4,435
Financing receivable, originated, year four | 709 | 17
Financing receivable, originated, year five | 0 | 7,761
Prior | 8,756 | 1,819
Revolving Loans Amortized Cost | 1,961 | 187
Total | 18,870 | 25,829
Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 |
Financing receivable, originated, year two | 118 |
Financing receivable, originated, year three | 0 |
Financing receivable, originated, year four | 0 |
Financing receivable, originated, year five | 0 |
Prior | 0 |
Revolving Loans Amortized Cost | 0 |
Total | 118 |
Commercial loans | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 130,037 | 309,984
Financing receivable, originated, year two | 56,408 | 24,623
Financing receivable, originated, year three | 29,554 | 13,914
Financing receivable, originated, year four | 18,591 | 4,649
Financing receivable, originated, year five | 3,044 | 5,926
Prior | 33,709 | 34,331
Revolving Loans Amortized Cost | 106,622 | 104,981
Total | 377,965 | 498,408
Commercial loans | Commercial and industrial | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 130,037 | 308,237
Financing receivable, originated, year two | 54,621 | 22,589
Financing receivable, originated, year three | 28,941 | 12,596
Financing receivable, originated, year four | 18,245 | 4,508
Financing receivable, originated, year five | 3,044 | 5,915
Prior | 33,707 | 34,282
Revolving Loans Amortized Cost | 101,044 | 85,889
Total | 369,639 | 474,016
Commercial loans | Commercial and industrial | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 | 0
Financing receivable, originated, year two | 1,787 | 2,034
Financing receivable, originated, year three | 613 | 1,318
Financing receivable, originated, year four | 346 | 141
Financing receivable, originated, year five | 0 | 11
Prior | 2 | 49
Revolving Loans Amortized Cost | 4,037 | 19,092
Total | 6,785 | 22,645
Commercial loans | Commercial and industrial | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 | 1,747
Financing receivable, originated, year two | 0 | 0
Financing receivable, originated, year three | 0 | 0
Financing receivable, originated, year four | 0 | 0
Financing receivable, originated, year five | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost | 1,541 | 0
Total | 1,541 | 1,747
Commercial real estate loans | Commercial owner-occupied |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 40,399 | 38,176
Financing receivable, originated, year two | 51,055 | 27,581
Financing receivable, originated, year three | 51,265 | 44,367
Financing receivable, originated, year four | 61,028 | 60,905
Financing receivable, originated, year five | 58,828 | 26,319
Prior | 135,968 | 107,615
Revolving Loans Amortized Cost | 0 | 0
Total | 398,543 | 304,963
Commercial real estate loans | Commercial owner-occupied | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 40,399 | 31,029
Financing receivable, originated, year two | 43,782 | 27,581
Financing receivable, originated, year three | 50,976 | 32,603
Financing receivable, originated, year four | 53,139 | 43,843
Financing receivable, originated, year five | 42,410 | 12,768
Prior | 109,020 | 101,014
Revolving Loans Amortized Cost | 0 | 0
Total | 339,726 | 248,838
Commercial real estate loans | Commercial owner-occupied | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 | 0
Financing receivable, originated, year two | 0 | 0
Financing receivable, originated, year three | 0 | 11,764
Financing receivable, originated, year four | 7,889 | 17,062
Financing receivable, originated, year five | 16,418 | 7,343
Prior | 20,110 | 6,601
Revolving Loans Amortized Cost | 0 | 0
Total | 44,417 | 42,770
Commercial real estate loans | Commercial owner-occupied | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 | 7,147
Financing receivable, originated, year two | 7,155 | 0
Financing receivable, originated, year three | 289 | 0
Financing receivable, originated, year four | 0 | 0
Financing receivable, originated, year five | 0 | 6,208
Prior | 6,838 | 0
Revolving Loans Amortized Cost | 0 | 0
Total | 14,282 | 13,355
Commercial real estate loans | Commercial owner-occupied | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 |
Financing receivable, originated, year two | 118 |
Financing receivable, originated, year three | 0 |
Financing receivable, originated, year four | 0 |
Financing receivable, originated, year five | 0 |
Prior | 0 |
Revolving Loans Amortized Cost | 0 |
Total | 118 |
Commercial real estate loans | Commercial investor-owned |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 153,943 | 162,300
Financing receivable, originated, year two | 189,274 | 158,162
Financing receivable, originated, year three | 191,223 | 178,390
Financing receivable, originated, year four | 155,707 | 102,661
Financing receivable, originated, year five | 85,691 | 96,415
Prior | 381,416 | 263,163
Revolving Loans Amortized Cost | 90 | 117
Total | 1,157,344 | 961,208
Commercial real estate loans | Commercial investor-owned | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 153,943 | 162,300
Financing receivable, originated, year two | 188,064 | 144,751
Financing receivable, originated, year three | 188,508 | 173,955
Financing receivable, originated, year four | 135,653 | 100,842
Financing receivable, originated, year five | 83,895 | 94,862
Prior | 352,715 | 253,611
Revolving Loans Amortized Cost | 90 | 117
Total | 1,102,868 | 930,438
Commercial real estate loans | Commercial investor-owned | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 | 0
Financing receivable, originated, year two | 1,210 | 10,695
Financing receivable, originated, year three | 2,715 | 0
Financing receivable, originated, year four | 19,345 | 1,819
Financing receivable, originated, year five | 1,796 | 0
Prior | 27,167 | 8,124
Revolving Loans Amortized Cost | 0 | 0
Total | 52,233 | 20,638
Commercial real estate loans | Commercial investor-owned | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 | 0
Financing receivable, originated, year two | 0 | 2,716
Financing receivable, originated, year three | 0 | 4,435
Financing receivable, originated, year four | 709 | 0
Financing receivable, originated, year five | 0 | 1,553
Prior | 1,534 | 1,428
Revolving Loans Amortized Cost | 0 | 0
Total | 2,243 | 10,132
Commercial real estate loans | Construction |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 26,902 | 31,654
Financing receivable, originated, year two | 63,355 | 30,150
Financing receivable, originated, year three | 25,696 | 11,242
Financing receivable, originated, year four | 9,107 | 0
Financing receivable, originated, year five | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost | 0 | 0
Total | 125,060 | 73,046
Commercial real estate loans | Construction | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 26,902 | 31,654
Financing receivable, originated, year two | 63,355 | 30,150
Financing receivable, originated, year three | 25,696 | 11,242
Financing receivable, originated, year four | 9,107 | 0
Financing receivable, originated, year five | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost | 0 | 0
Total | 125,060 | 73,046
Residential loans | Home equity |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 | 0
Financing receivable, originated, year two | 0 | 0
Financing receivable, originated, year three | 0 | 0
Financing receivable, originated, year four | 0 | 0
Financing receivable, originated, year five | 0 | 128
Prior | 643 | 1,085
Revolving Loans Amortized Cost | 91,753 | 103,600
Total | 92,396 | 104,813
Residential loans | Home equity | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 | 0
Financing receivable, originated, year two | 0 | 0
Financing receivable, originated, year three | 0 | 0
Financing receivable, originated, year four | 0 | 0
Financing receivable, originated, year five | 0 | 128
Prior | 259 | 694
Revolving Loans Amortized Cost | 91,333 | 102,614
Total | 91,592 | 103,436
Residential loans | Home equity | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one |  | 0
Financing receivable, originated, year two |  | 0
Financing receivable, originated, year three |  | 0
Financing receivable, originated, year four |  | 0
Financing receivable, originated, year five |  | 0
Prior |  | 0
Revolving Loans Amortized Cost |  | 799
Total |  | 799
Residential loans | Home equity | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 0 | 0
Financing receivable, originated, year two | 0 | 0
Financing receivable, originated, year three | 0 | 0
Financing receivable, originated, year four | 0 | 0
Financing receivable, originated, year five | 0 | 0
Prior | 384 | 391
Revolving Loans Amortized Cost | 420 | 187
Total | 804 | 578
Residential loans | Other residential |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 14,229 | 34,447
Financing receivable, originated, year two | 32,700 | 31,079
Financing receivable, originated, year three | 26,347 | 23,673
Financing receivable, originated, year four | 17,476 | 10,574
Financing receivable, originated, year five | 8,374 | 6,035
Prior | 18,652 | 17,587
Revolving Loans Amortized Cost | 0 | 0
Total | 117,778 | 123,395
Residential loans | Other residential | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 14,229 | 34,447
Financing receivable, originated, year two | 32,700 | 31,079
Financing receivable, originated, year three | 26,347 | 23,673
Financing receivable, originated, year four | 17,476 | 10,574
Financing receivable, originated, year five | 8,374 | 6,035
Prior | 18,652 | 17,587
Revolving Loans Amortized Cost | 0 | 0
Total | 117,778 | 123,395
Consumer loans | Installment and other consumer loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 12,311 | 2,361
Financing receivable, originated, year two | 8,514 | 4,382
Financing receivable, originated, year three | 11,620 | 3,483
Financing receivable, originated, year four | 5,777 | 1,560
Financing receivable, originated, year five | 1,129 | 3,423
Prior | 6,833 | 4,921
Revolving Loans Amortized Cost | 1,749 | 2,593
Total | 47,933 | 22,723
Consumer loans | Installment and other consumer loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one | 12,311 | 2,361
Financing receivable, originated, year two | 8,514 | 4,382
Financing receivable, originated, year three | 11,620 | 3,483
Financing receivable, originated, year four | 5,777 | 1,543
Financing receivable, originated, year five | 1,129 | 3,423
Prior | 6,833 | 4,921
Revolving Loans Amortized Cost | 1,749 | 2,593
Total | $ 47,933 | 22,706
Consumer loans | Installment and other consumer loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated, year one |  | 0
Financing receivable, originated, year two |  | 0
Financing receivable, originated, year three |  | 0
Financing receivable, originated, year four |  | 17
Financing receivable, originated, year five |  | 0
Prior |  | 0
Revolving Loans Amortized Cost |  | 0
Total |  | $ 17

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