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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impact of Adoption (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2019 | Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | $ 2,562,885 | $ 2,531,910 |  |
Total allowance for credit losses on loans | 19,082 | 22,718 | $ 15,353 | $ 13,866
Decrease to retained earnings | 195,607 | 215,592 |  |
Tax exempt |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 47,862 | 41,280 |  |
Total allowance for credit losses on loans | 58 | 86 | 67 |
Home equity |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 100,096 | 86,657 |  |
Total allowance for credit losses on loans | 285 | 814 | 320 |
Total commercial loans | Construction and land development |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 117,882 | 56,263 |  |
Total allowance for credit losses on loans | 824 | 2,111 | 317 |
Total commercial real estate |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 1,084,381 |  |  |
Total allowance for credit losses on loans |  |  | 7,815 | 6,984
Total commercial real estate | Commercial real estate owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 219,217 | 257,122 |  |
Total allowance for credit losses on loans | 1,783 | 2,751 | 2,368 |
Total commercial real estate | Commercial real estate non-owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 716,776 | 887,092 |  |
Total allowance for credit losses on loans | 7,864 | 5,650 | 4,695 |
Total commercial and industrial |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 441,069 |  |  |
Total allowance for credit losses on loans |  |  | 3,614 | 2,415
Total commercial and industrial | Commercial real estate non-owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans |  | 887,092 |  |
Total commercial and industrial | Commercial and industrial |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 355,684 | 307,112 |  |
Total allowance for credit losses on loans | 3,137 | 5,369 | 3,262 |
Total residential real estate |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans |  |  | 3,545 | 4,059
Total residential real estate | Residential mortgages |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 995,216 | 888,263 |  |
Total allowance for credit losses on loans | 5,010 | 5,862 | 4,213 |
Total consumer |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans |  |  | 379 | $ 408
Total consumer | Other consumer |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 10,152 | 8,121 |  |
Total allowance for credit losses on loans | 121 | $ 75 | $ 111 |
Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 2,562,885 |  |  |
Total allowance for credit losses on loans | 24,310 |  |  |
Allowance for credit losses on OBS credit exposures | 1,975 |  |  |
Total allowance for credit losses | 26,285 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Construction and land development |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 117,882 |  |  |
Total allowance for credit losses on loans | 2,020 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Commercial real estate owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 219,217 |  |  |
Total allowance for credit losses on loans | 2,491 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Commercial real estate non-owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 716,776 |  |  |
Total allowance for credit losses on loans | 5,856 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Tax exempt |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 47,862 |  |  |
Total allowance for credit losses on loans | 98 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Commercial and industrial |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 355,684 |  |  |
Total allowance for credit losses on loans | 6,133 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Residential mortgages |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 995,216 |  |  |
Total allowance for credit losses on loans | 6,742 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Home equity |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 100,096 |  |  |
Total allowance for credit losses on loans | 888 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Other consumer |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 10,152 |  |  |
Total allowance for credit losses on loans | 82 |  |  |
impact of ASC 326 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 5,228 |  |  |
impact of ASC 326 | Tax exempt |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 40 |  |  |
impact of ASC 326 | Home equity |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 603 |  |  |
impact of ASC 326 | Total commercial loans | Construction and land development |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 1,196 |  |  |
impact of ASC 326 | Total commercial real estate | Commercial real estate owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 708 |  |  |
impact of ASC 326 | Total commercial real estate | Commercial real estate non-owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | (2,008) |  |  |
impact of ASC 326 | Total commercial and industrial | Commercial and industrial |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 2,996 |  |  |
impact of ASC 326 | Total residential real estate | Residential mortgages |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 1,732 |  |  |
impact of ASC 326 | Total consumer | Other consumer |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | (39) |  |  |
Accounting Standards Update 2016-13 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 2,562,885 |  |  |
Total allowance for credit losses on loans | 19,082 |  |  |
Allowance for credit losses on OBS credit exposures | 359 |  |  |
Total allowance for credit losses | 19,441 |  |  |
Accounting Standards Update 2016-13 | Construction and land development |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 117,882 |  |  |
Total allowance for credit losses on loans | 824 |  |  |
Accounting Standards Update 2016-13 | Commercial real estate owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 219,217 |  |  |
Total allowance for credit losses on loans | 1,783 |  |  |
Accounting Standards Update 2016-13 | Commercial real estate non-owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 716,776 |  |  |
Total allowance for credit losses on loans | 7,864 |  |  |
Accounting Standards Update 2016-13 | Tax exempt |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 47,862 |  |  |
Total allowance for credit losses on loans | 58 |  |  |
Accounting Standards Update 2016-13 | Commercial and industrial |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 355,684 |  |  |
Total allowance for credit losses on loans | 3,137 |  |  |
Accounting Standards Update 2016-13 | Residential mortgages |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 995,216 |  |  |
Total allowance for credit losses on loans | 5,010 |  |  |
Accounting Standards Update 2016-13 | Home equity |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 100,096 |  |  |
Total allowance for credit losses on loans | 285 |  |  |
Accounting Standards Update 2016-13 | Other consumer |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 10,152 |  |  |
Total allowance for credit losses on loans | 121 |  |  |
Accounting Standards Update 2016-13 | impact of ASC 326 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 5,228 |  |  |
Allowance for credit losses on OBS credit exposures | 1,616 |  |  |
Total allowance for credit losses | 6,844 |  |  |
Total increase in Allowance for credit losses | 6,844 |  |  |
Tax effect | (1,602) |  |  |
Decrease to retained earnings | 5,242 |  |  |
Accounting Standards Update 2016-13 | impact of ASC 326 | Construction and land development |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 1,196 |  |  |
Accounting Standards Update 2016-13 | impact of ASC 326 | Commercial real estate owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 708 |  |  |
Accounting Standards Update 2016-13 | impact of ASC 326 | Commercial real estate non-owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | (2,008) |  |  |
Accounting Standards Update 2016-13 | impact of ASC 326 | Tax exempt |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 40 |  |  |
Accounting Standards Update 2016-13 | impact of ASC 326 | Commercial and industrial |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 2,996 |  |  |
Accounting Standards Update 2016-13 | impact of ASC 326 | Residential mortgages |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 1,732 |  |  |
Accounting Standards Update 2016-13 | impact of ASC 326 | Home equity |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | 603 |  |  |
Accounting Standards Update 2016-13 | impact of ASC 326 | Other consumer |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total allowance for credit losses on loans | (39) |  |  |
Accounting Standards Update 2016-13 | As Reported |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 2,562,885 |  |  |
Total allowance for credit losses on loans | 19,082 |  |  |
Allowance for credit losses on OBS credit exposures | 359 |  |  |
Total allowance for credit losses | 19,441 |  |  |
Accounting Standards Update 2016-13 | As Reported | Construction and land development |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 131,123 |  |  |
Total allowance for credit losses on loans | 1,044 |  |  |
Accounting Standards Update 2016-13 | As Reported | Commercial real estate |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 953,258 |  |  |
Total allowance for credit losses on loans | 10,199 |  |  |
Accounting Standards Update 2016-13 | As Reported | Tax exempt |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 63,431 |  |  |
Total allowance for credit losses on loans | 80 |  |  |
Accounting Standards Update 2016-13 | As Reported | Commercial and industrial |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 377,638 |  |  |
Total allowance for credit losses on loans | 3,302 |  |  |
Accounting Standards Update 2016-13 | As Reported | Residential mortgages |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 923,891 |  |  |
Total allowance for credit losses on loans | 4,078 |  |  |
Accounting Standards Update 2016-13 | As Reported | Home equity |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 102,464 |  |  |
Total allowance for credit losses on loans | 258 |  |  |
Accounting Standards Update 2016-13 | As Reported | Other consumer |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 11,080 |  |  |
Total allowance for credit losses on loans | 121 |  |  |
Accounting Standards Update 2016-13 | Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Construction and land development |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | (13,241) |  |  |
Total allowance for credit losses on loans | (220) |  |  |
Accounting Standards Update 2016-13 | Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Commercial real estate |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | (953,258) |  |  |
Total allowance for credit losses on loans | (10,199) |  |  |
Accounting Standards Update 2016-13 | Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Commercial real estate owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 219,217 |  |  |
Total allowance for credit losses on loans | 1,783 |  |  |
Accounting Standards Update 2016-13 | Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Commercial real estate non-owner occupied |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 716,776 |  |  |
Total allowance for credit losses on loans | 7,864 |  |  |
Accounting Standards Update 2016-13 | Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Tax exempt |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | (15,569) |  |  |
Total allowance for credit losses on loans | (22) |  |  |
Accounting Standards Update 2016-13 | Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Commercial and industrial |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | (21,954) |  |  |
Total allowance for credit losses on loans | (165) |  |  |
Accounting Standards Update 2016-13 | Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Residential mortgages |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | 71,325 |  |  |
Total allowance for credit losses on loans | 932 |  |  |
Accounting Standards Update 2016-13 | Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Home equity |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | (2,368) |  |  |
Total allowance for credit losses on loans | 27 |  |  |
Accounting Standards Update 2016-13 | Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Other consumer |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Total loans | $ (928) |  |  |

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