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ALLOWANCE FOR LOAN LOSSES - Loans by Credit Risk Rating (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Credit quality information |  |
Total loans | $ 2,490,227 | $ 2,485,613
Non Accrual |  |
Credit quality information |  |
Total loans | 18,235 | 14,296
Special mention |  |
Credit quality information |  |
Total loans | 21,736 | 16,360
Substandard |  |
Credit quality information |  |
Total loans | 15,797 | 18,117
Total classified |  |
Credit quality information |  |
Total loans | 34,032 | 32,413
Total Criticized |  |
Credit quality information |  |
Total loans | 55,768 | 48,773
Doubtful |  |
Credit quality information |  |
Total loans | 0 | 0
Acquired Loans |  |
Credit quality information |  |
Total loans | 859,330 | 1,032,983
Acquired Loans | Non Accrual |  |
Credit quality information |  |
Total loans | 4,124 | 2,156
Acquired Loans | Special mention |  |
Credit quality information |  |
Total loans | 6,399 | 8,428
Acquired Loans | Substandard |  |
Credit quality information |  |
Total loans | 7,987 | 7,833
Acquired Loans | Total classified |  |
Credit quality information |  |
Total loans | 12,111 | 9,989
Acquired Loans | Total Criticized |  |
Credit quality information |  |
Total loans | 18,510 | 18,417
Acquired Loans | Doubtful |  |
Credit quality information |  |
Total loans | 0 | 0
Acquired Loans | Residential Real Estate And Consumer |  |
Credit quality information |  |
Financing receivable, net | 521,157 | 628,829
Acquired Loans | Residential Real Estate And Consumer | Residential mortgages |  |
Credit quality information |  |
Financing receivable, net | 474,509 | 564,271
Acquired Loans | Residential Real Estate And Consumer | Home equity |  |
Credit quality information |  |
Financing receivable, net | 45,291 | 62,217
Acquired Loans | Residential Real Estate And Consumer | Other consumer |  |
Credit quality information |  |
Financing receivable, net | 1,357 | 2,341
Acquired Loans | Commercial real estate |  |
Credit quality information |  |
Total loans | 246,965 | 292,735
Acquired Loans | Commercial real estate | Pass |  |
Credit quality information |  |
Total loans | 239,019 | 283,000
Acquired Loans | Commercial real estate | Special mention |  |
Credit quality information |  |
Total loans | 1,574 | 2,675
Acquired Loans | Commercial real estate | Substandard |  |
Credit quality information |  |
Total loans | 6,273 | 7,060
Acquired Loans | Commercial real estate | Doubtful |  |
Credit quality information |  |
Total loans | 99 | 0
Acquired Loans | Commercial real estate | Construction and land development |  |
Credit quality information |  |
Total loans | 2,890 | 16,781
Acquired Loans | Commercial real estate | Construction and land development | Pass |  |
Credit quality information |  |
Total loans | 2,626 | 16,523
Acquired Loans | Commercial real estate | Construction and land development | Special mention |  |
Credit quality information |  |
Total loans | 0 | 235
Acquired Loans | Commercial real estate | Construction and land development | Substandard |  |
Credit quality information |  |
Total loans | 264 | 23
Acquired Loans | Commercial real estate | Construction and land development | Doubtful |  |
Credit quality information |  |
Total loans | 0 | 0
Acquired Loans | Commercial real estate | Other commercial real estate |  |
Credit quality information |  |
Total loans | 244,075 | 275,954
Acquired Loans | Commercial real estate | Other commercial real estate | Pass |  |
Credit quality information |  |
Total loans | 236,393 | 266,477
Acquired Loans | Commercial real estate | Other commercial real estate | Special mention |  |
Credit quality information |  |
Total loans | 1,574 | 2,440
Acquired Loans | Commercial real estate | Other commercial real estate | Substandard |  |
Credit quality information |  |
Total loans | 6,009 | 7,037
Acquired Loans | Commercial real estate | Other commercial real estate | Doubtful |  |
Credit quality information |  |
Total loans | 99 | 0
Acquired Loans | Commercial and industrial |  |
Credit quality information |  |
Total loans | 91,208 | 111,419
Acquired Loans | Commercial and industrial | Pass |  |
Credit quality information |  |
Total loans | 84,858 | 103,650
Acquired Loans | Commercial and industrial | Special mention |  |
Credit quality information |  |
Total loans | 4,825 | 5,753
Acquired Loans | Commercial and industrial | Substandard |  |
Credit quality information |  |
Total loans | 1,222 | 2,016
Acquired Loans | Commercial and industrial | Doubtful |  |
Credit quality information |  |
Total loans | 303 | 0
Acquired Loans | Commercial and industrial | Other Commercial |  |
Credit quality information |  |
Total loans | 52,470 | 68,069
Acquired Loans | Commercial and industrial | Other Commercial | Pass |  |
Credit quality information |  |
Total loans | 46,120 | 60,300
Acquired Loans | Commercial and industrial | Other Commercial | Special mention |  |
Credit quality information |  |
Total loans | 4,825 | 5,753
Acquired Loans | Commercial and industrial | Other Commercial | Substandard |  |
Credit quality information |  |
Total loans | 1,222 | 2,016
Acquired Loans | Commercial and industrial | Other Commercial | Doubtful |  |
Credit quality information |  |
Total loans | 303 | 0
Acquired Loans | Commercial and industrial | Agricultural |  |
Credit quality information |  |
Total loans | 0 | 0
Acquired Loans | Commercial and industrial | Agricultural | Pass |  |
Credit quality information |  |
Total loans | 0 | 0
Acquired Loans | Commercial and industrial | Agricultural | Special mention |  |
Credit quality information |  |
Total loans | 0 | 0
Acquired Loans | Commercial and industrial | Agricultural | Substandard |  |
Credit quality information |  |
Total loans | 0 | 0
Acquired Loans | Commercial and industrial | Agricultural | Doubtful |  |
Credit quality information |  |
Total loans | 0 | 0
Acquired Loans | Commercial and industrial | Tax exempt |  |
Credit quality information |  |
Total loans | 38,738 | 43,350
Acquired Loans | Commercial and industrial | Tax exempt | Pass |  |
Credit quality information |  |
Total loans | 38,738 | 43,350
Acquired Loans | Commercial and industrial | Tax exempt | Special mention |  |
Credit quality information |  |
Total loans | 0 | 0
Acquired Loans | Commercial and industrial | Tax exempt | Substandard |  |
Credit quality information |  |
Total loans | 0 | 0
Acquired Loans | Commercial and industrial | Tax exempt | Doubtful |  |
Credit quality information |  |
Total loans | 0 | 0
Business Activities Loans |  |
Credit quality information |  |
Total loans | 1,630,897 | 1,452,630
Business Activities Loans | Non Accrual |  |
Credit quality information |  |
Total loans | 14,111 | 12,140
Business Activities Loans | Special mention |  |
Credit quality information |  |
Total loans | 15,337 | 7,932
Business Activities Loans | Substandard |  |
Credit quality information |  |
Total loans | 7,810 | 10,284
Business Activities Loans | Total classified |  |
Credit quality information |  |
Total loans | 21,921 | 22,424
Business Activities Loans | Total Criticized |  |
Credit quality information |  |
Total loans | 37,258 | 30,356
Business Activities Loans | Doubtful |  |
Credit quality information |  |
Total loans | 0 | 0
Business Activities Loans | Residential Real Estate And Consumer |  |
Credit quality information |  |
Financing receivable, net | 737,501 | 650,615
Business Activities Loans | Residential Real Estate And Consumer | Residential mortgages |  |
Credit quality information |  |
Financing receivable, net | 670,189 | 591,411
Business Activities Loans | Residential Real Estate And Consumer | Home equity |  |
Credit quality information |  |
Financing receivable, net | 57,898 | 51,376
Business Activities Loans | Residential Real Estate And Consumer | Other consumer |  |
Credit quality information |  |
Financing receivable, net | 9,414 | 7,828
Business Activities Loans | Commercial real estate |  |
Credit quality information |  |
Total loans | 579,734 | 534,011
Business Activities Loans | Commercial real estate | Pass |  |
Credit quality information |  |
Total loans | 556,066 | 511,891
Business Activities Loans | Commercial real estate | Special mention |  |
Credit quality information |  |
Total loans | 8,392 | 5,779
Business Activities Loans | Commercial real estate | Substandard |  |
Credit quality information |  |
Total loans | 13,914 | 16,341
Business Activities Loans | Commercial real estate | Doubtful |  |
Credit quality information |  |
Total loans | 1,362 | 0
Business Activities Loans | Commercial real estate | Construction and land development |  |
Credit quality information |  |
Total loans | 23,754 | 28,892
Business Activities Loans | Commercial real estate | Construction and land development | Pass |  |
Credit quality information |  |
Total loans | 23,680 | 28,180
Business Activities Loans | Commercial real estate | Construction and land development | Special mention |  |
Credit quality information |  |
Total loans | 73 | 73
Business Activities Loans | Commercial real estate | Construction and land development | Substandard |  |
Credit quality information |  |
Total loans | 0 | 639
Business Activities Loans | Commercial real estate | Construction and land development | Doubtful |  |
Credit quality information |  |
Total loans | 1 | 0
Business Activities Loans | Commercial real estate | Other commercial real estate |  |
Credit quality information |  |
Total loans | 555,980 | 505,119
Business Activities Loans | Commercial real estate | Other commercial real estate | Pass |  |
Credit quality information |  |
Total loans | 532,386 | 483,711
Business Activities Loans | Commercial real estate | Other commercial real estate | Special mention |  |
Credit quality information |  |
Total loans | 8,319 | 5,706
Business Activities Loans | Commercial real estate | Other commercial real estate | Substandard |  |
Credit quality information |  |
Total loans | 13,914 | 15,702
Business Activities Loans | Commercial real estate | Other commercial real estate | Doubtful |  |
Credit quality information |  |
Total loans | 1,361 | 0
Business Activities Loans | Commercial and industrial |  |
Credit quality information |  |
Total loans | 313,662 | 268,004
Business Activities Loans | Commercial and industrial | Pass |  |
Credit quality information |  |
Total loans | 304,621 | 263,401
Business Activities Loans | Commercial and industrial | Special mention |  |
Credit quality information |  |
Total loans | 6,945 | 2,153
Business Activities Loans | Commercial and industrial | Substandard |  |
Credit quality information |  |
Total loans | 1,346 | 2,450
Business Activities Loans | Commercial and industrial | Doubtful |  |
Credit quality information |  |
Total loans | 750 | 0
Business Activities Loans | Commercial and industrial | Other Commercial |  |
Credit quality information |  |
Total loans | 234,757 | 198,051
Business Activities Loans | Commercial and industrial | Other Commercial | Pass |  |
Credit quality information |  |
Total loans | 226,353 | 194,147
Business Activities Loans | Commercial and industrial | Other Commercial | Special mention |  |
Credit quality information |  |
Total loans | 6,730 | 1,933
Business Activities Loans | Commercial and industrial | Other Commercial | Substandard |  |
Credit quality information |  |
Total loans | 924 | 1,971
Business Activities Loans | Commercial and industrial | Other Commercial | Doubtful |  |
Credit quality information |  |
Total loans | 750 | 0
Business Activities Loans | Commercial and industrial | Agricultural |  |
Credit quality information |  |
Total loans | 22,317 | 27,588
Business Activities Loans | Commercial and industrial | Agricultural | Pass |  |
Credit quality information |  |
Total loans | 21,680 | 27,046
Business Activities Loans | Commercial and industrial | Agricultural | Special mention |  |
Credit quality information |  |
Total loans | 215 | 63
Business Activities Loans | Commercial and industrial | Agricultural | Substandard |  |
Credit quality information |  |
Total loans | 422 | 479
Business Activities Loans | Commercial and industrial | Agricultural | Doubtful |  |
Credit quality information |  |
Total loans | 0 | 0
Business Activities Loans | Commercial and industrial | Tax exempt |  |
Credit quality information |  |
Total loans | 56,588 | 42,365
Business Activities Loans | Commercial and industrial | Tax exempt | Pass |  |
Credit quality information |  |
Total loans | 56,588 | 42,208
Business Activities Loans | Commercial and industrial | Tax exempt | Special mention |  |
Credit quality information |  |
Total loans | 0 | 157
Business Activities Loans | Commercial and industrial | Tax exempt | Substandard |  |
Credit quality information |  |
Total loans | 0 | 0
Business Activities Loans | Commercial and industrial | Tax exempt | Doubtful |  |
Credit quality information |  |
Total loans | 0 | 0
Performing Financial Instruments | Acquired Loans | Residential Real Estate And Consumer |  |
Credit quality information |  |
Financing receivable, net | 516,943 | 626,799
Performing Financial Instruments | Acquired Loans | Residential Real Estate And Consumer | Residential mortgages |  |
Credit quality information |  |
Financing receivable, net | 470,497 | 562,516
Performing Financial Instruments | Acquired Loans | Residential Real Estate And Consumer | Home equity |  |
Credit quality information |  |
Financing receivable, net | 45,090 | 62,000
Performing Financial Instruments | Acquired Loans | Residential Real Estate And Consumer | Other consumer |  |
Credit quality information |  |
Financing receivable, net | 1,356 | 2,283
Performing Financial Instruments | Business Activities Loans | Residential Real Estate And Consumer |  |
Credit quality information |  |
Financing receivable, net | 732,952 | 646,982
Performing Financial Instruments | Business Activities Loans | Residential Real Estate And Consumer | Residential mortgages |  |
Credit quality information |  |
Financing receivable, net | 665,976 | 588,003
Performing Financial Instruments | Business Activities Loans | Residential Real Estate And Consumer | Home equity |  |
Credit quality information |  |
Financing receivable, net | 57,652 | 51,246
Performing Financial Instruments | Business Activities Loans | Residential Real Estate And Consumer | Other consumer |  |
Credit quality information |  |
Financing receivable, net | 9,324 | 7,733
Nonperforming Financial Instruments | Acquired Loans | Residential Real Estate And Consumer |  |
Credit quality information |  |
Financing receivable, net | 4,214 | 2,030
Nonperforming Financial Instruments | Acquired Loans | Residential Real Estate And Consumer | Residential mortgages |  |
Credit quality information |  |
Financing receivable, net | 4,012 | 1,755
Nonperforming Financial Instruments | Acquired Loans | Residential Real Estate And Consumer | Home equity |  |
Credit quality information |  |
Financing receivable, net | 201 | 217
Nonperforming Financial Instruments | Acquired Loans | Residential Real Estate And Consumer | Other consumer |  |
Credit quality information |  |
Financing receivable, net | 1 | 58
Nonperforming Financial Instruments | Business Activities Loans | Residential Real Estate And Consumer |  |
Credit quality information |  |
Financing receivable, net | 4,549 | 3,633
Nonperforming Financial Instruments | Business Activities Loans | Residential Real Estate And Consumer | Residential mortgages |  |
Credit quality information |  |
Financing receivable, net | 4,213 | 3,408
Nonperforming Financial Instruments | Business Activities Loans | Residential Real Estate And Consumer | Home equity |  |
Credit quality information |  |
Financing receivable, net | 246 | 130
Nonperforming Financial Instruments | Business Activities Loans | Residential Real Estate And Consumer | Other consumer |  |
Credit quality information |  |
Financing receivable, net | $ 90 | $ 95

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