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ALLOWANCE FOR LOAN LOSSES - Loans by Credit Risk Rating (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Credit quality information |  |
Total | $ 2,543,803 | $ 2,619,240
Total loans | 2,562,885 | 2,634,593
Total commercial real estate |  |
Credit quality information |  |
Total loans | 1,084,381 | 930,661
Total commercial and industrial |  |
Credit quality information |  |
Total loans | 441,069 | 423,291
Special mention |  |
Credit quality information |  |
Total loans | 8,846 | 16,230
Substandard |  |
Credit quality information |  |
Total loans | 35,097 | 39,442
Loss |  |
Credit quality information |  |
Total loans | 1 |
Non-accrual |  |
Credit quality information |  |
Total loans | 12,188 | 11,550
Total classified |  |
Credit quality information |  |
Total loans | 47,286 | 50,992
Total Criticized |  |
Credit quality information |  |
Total loans | 56,132 | 67,222
Business Activities Loans |  |
Credit quality information |  |
Total loans | 1,964,754 | 1,828,731
Business Activities Loans | Total commercial real estate |  |
Credit quality information |  |
Total loans | 895,117 | 697,438
Business Activities Loans | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 371,231 | 326,570
Business Activities Loans | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 698,406 | 811,222
Business Activities Loans | Performing | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 694,654 | 807,224
Business Activities Loans | Nonperforming | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 3,752 | 3,998
Business Activities Loans | Pass | Total commercial real estate |  |
Credit quality information |  |
Total loans | 874,665 | 677,943
Business Activities Loans | Pass | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 354,022 | 307,129
Business Activities Loans | Special mention |  |
Credit quality information |  |
Total loans | 6,604 | 8,525
Business Activities Loans | Special mention | Total commercial real estate |  |
Credit quality information |  |
Total loans | 4,626 | 5,483
Business Activities Loans | Special mention | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 1,978 | 3,042
Business Activities Loans | Substandard |  |
Credit quality information |  |
Total loans | 28,371 | 26,055
Business Activities Loans | Substandard | Total commercial real estate |  |
Credit quality information |  |
Total loans | 15,076 | 12,304
Business Activities Loans | Substandard | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 14,596 | 15,646
Business Activities Loans | Doubtful | Total commercial real estate |  |
Credit quality information |  |
Total loans | 749 | 1,708
Business Activities Loans | Doubtful | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 633 | 753
Business Activities Loans | Loss |  |
Credit quality information |  |
Total loans | 1 |
Business Activities Loans | Loss | Total commercial real estate |  |
Credit quality information |  |
Total loans | 1 |
Business Activities Loans | Loss | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 2 |
Business Activities Loans | Non-accrual |  |
Credit quality information |  |
Total loans | 6,437 | 8,354
Business Activities Loans | Total classified |  |
Credit quality information |  |
Total loans | 34,809 | 34,409
Business Activities Loans | Total Criticized |  |
Credit quality information |  |
Total loans | 41,413 | 42,934
Acquired Loans |  |
Credit quality information |  |
Total loans | 598,131 | 805,862
Acquired Loans | Total commercial real estate |  |
Credit quality information |  |
Total loans | 189,264 | 233,223
Acquired Loans | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 69,838 | 96,721
Acquired Loans | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 339,029 | 475,918
Acquired Loans | Performing | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 336,310 | 472,022
Acquired Loans | Nonperforming | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 2,719 | 3,896
Acquired Loans | Pass | Total commercial real estate |  |
Credit quality information |  |
Total loans | 179,108 | 220,903
Acquired Loans | Pass | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 67,994 | 88,649
Acquired Loans | Special mention |  |
Credit quality information |  |
Total loans | 2,242 | 7,705
Acquired Loans | Special mention | Total commercial real estate |  |
Credit quality information |  |
Total loans | 1,449 | 2,273
Acquired Loans | Special mention | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 793 | 5,432
Acquired Loans | Substandard |  |
Credit quality information |  |
Total loans | 6,726 | 13,387
Acquired Loans | Substandard | Total commercial real estate |  |
Credit quality information |  |
Total loans | 7,191 | 9,879
Acquired Loans | Substandard | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 584 | 2,299
Acquired Loans | Doubtful | Total commercial real estate |  |
Credit quality information |  |
Total loans | 1,516 | 168
Acquired Loans | Doubtful | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 467 | 341
Acquired Loans | Non-accrual |  |
Credit quality information |  |
Total loans | 5,751 | 3,196
Acquired Loans | Total classified |  |
Credit quality information |  |
Total loans | 12,477 | 16,583
Acquired Loans | Total Criticized |  |
Credit quality information |  |
Total loans | 14,719 | 24,288
Construction and land development | Total commercial real estate |  |
Credit quality information |  |
Total loans | 131,123 | 34,290
Construction and land development | Business Activities Loans | Total commercial real estate |  |
Credit quality information |  |
Total loans | 129,255 | 31,387
Construction and land development | Business Activities Loans | Pass | Total commercial real estate |  |
Credit quality information |  |
Total loans | 129,065 | 31,057
Construction and land development | Business Activities Loans | Substandard | Total commercial real estate |  |
Credit quality information |  |
Total loans |  | 330
Construction and land development | Business Activities Loans | Doubtful | Total commercial real estate |  |
Credit quality information |  |
Total loans | 189 |
Construction and land development | Business Activities Loans | Loss | Total commercial real estate |  |
Credit quality information |  |
Total loans | 1 |
Construction and land development | Acquired Loans | Total commercial real estate |  |
Credit quality information |  |
Total loans | 1,868 | 2,903
Construction and land development | Acquired Loans | Pass | Total commercial real estate |  |
Credit quality information |  |
Total loans | 1,703 | 2,412
Construction and land development | Acquired Loans | Special mention | Total commercial real estate |  |
Credit quality information |  |
Total loans |  | 12
Construction and land development | Acquired Loans | Substandard | Total commercial real estate |  |
Credit quality information |  |
Total loans | 165 | 479
Other commercial real estate | Total commercial real estate |  |
Credit quality information |  |
Total loans | 953,258 | 896,371
Other commercial real estate | Business Activities Loans | Total commercial real estate |  |
Credit quality information |  |
Total loans | 765,862 | 666,051
Other commercial real estate | Business Activities Loans | Pass | Total commercial real estate |  |
Credit quality information |  |
Total loans | 745,600 | 646,886
Other commercial real estate | Business Activities Loans | Special mention | Total commercial real estate |  |
Credit quality information |  |
Total loans | 4,626 | 5,483
Other commercial real estate | Business Activities Loans | Substandard | Total commercial real estate |  |
Credit quality information |  |
Total loans | 15,076 | 11,974
Other commercial real estate | Business Activities Loans | Doubtful | Total commercial real estate |  |
Credit quality information |  |
Total loans | 560 | 1,708
Other commercial real estate | Acquired Loans | Total commercial real estate |  |
Credit quality information |  |
Total loans | 187,396 | 230,320
Other commercial real estate | Acquired Loans | Pass | Total commercial real estate |  |
Credit quality information |  |
Total loans | 177,405 | 218,491
Other commercial real estate | Acquired Loans | Special mention | Total commercial real estate |  |
Credit quality information |  |
Total loans | 1,449 | 2,261
Other commercial real estate | Acquired Loans | Substandard | Total commercial real estate |  |
Credit quality information |  |
Total loans | 7,026 | 9,400
Other commercial real estate | Acquired Loans | Doubtful | Total commercial real estate |  |
Credit quality information |  |
Total loans | 1,516 | 168
Commercial | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 360,688 | 298,764
Commercial | Business Activities Loans | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 315,005 | 239,692
Commercial | Business Activities Loans | Pass | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 298,568 | 221,329
Commercial | Business Activities Loans | Special mention | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 1,644 | 2,744
Commercial | Business Activities Loans | Substandard | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 14,158 | 14,866
Commercial | Business Activities Loans | Doubtful | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 633 | 753
Commercial | Business Activities Loans | Loss | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 2 |
Commercial | Acquired Loans | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 45,683 | 59,072
Commercial | Acquired Loans | Pass | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 43,972 | 51,184
Commercial | Acquired Loans | Special mention | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 793 | 5,432
Commercial | Acquired Loans | Substandard | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 451 | 2,115
Commercial | Acquired Loans | Doubtful | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 467 | 341
Agricultural | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 16,950 | 20,224
Agricultural | Business Activities Loans | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 16,797 | 20,018
Agricultural | Business Activities Loans | Pass | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 16,025 | 18,940
Agricultural | Business Activities Loans | Special mention | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 334 | 298
Agricultural | Business Activities Loans | Substandard | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 438 | 780
Agricultural | Acquired Loans | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 153 | 206
Agricultural | Acquired Loans | Pass | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 20 | 58
Agricultural | Acquired Loans | Substandard | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 133 | 148
Tax exempt | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 63,431 | 104,303
Tax exempt | Business Activities Loans | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 39,429 | 66,860
Tax exempt | Business Activities Loans | Pass | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 39,429 | 66,860
Tax exempt | Acquired Loans | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 24,002 | 37,443
Tax exempt | Acquired Loans | Pass | Total commercial and industrial |  |
Credit quality information |  |
Total loans | 24,002 | 37,407
Tax exempt | Acquired Loans | Substandard | Total commercial and industrial |  |
Credit quality information |  |
Total loans |  | 36
Residential mortgages | Business Activities Loans | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 633,390 | 740,687
Residential mortgages | Business Activities Loans | Performing | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 630,089 | 737,325
Residential mortgages | Business Activities Loans | Nonperforming | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 3,301 | 3,362
Residential mortgages | Acquired Loans | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 290,501 | 411,170
Residential mortgages | Acquired Loans | Performing | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 288,073 | 407,811
Residential mortgages | Acquired Loans | Nonperforming | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 2,428 | 3,359
Home equity | Business Activities Loans | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 55,092 | 59,368
Home equity | Business Activities Loans | Performing | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 54,654 | 58,753
Home equity | Business Activities Loans | Nonperforming | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 438 | 615
Home equity | Acquired Loans | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 47,372 | 63,033
Home equity | Acquired Loans | Performing | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 47,081 | 62,504
Home equity | Acquired Loans | Nonperforming | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 291 | 529
Other consumer | Business Activities Loans | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 9,924 | 11,167
Other consumer | Business Activities Loans | Performing | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 9,911 | 11,146
Other consumer | Business Activities Loans | Nonperforming | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 13 | 21
Other consumer | Acquired Loans | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | 1,156 | 1,715
Other consumer | Acquired Loans | Performing | Residential real estate and consumer |  |
Credit quality information |  |
Total loans | $ 1,156 | 1,707
Other consumer | Acquired Loans | Nonperforming | Residential real estate and consumer |  |
Credit quality information |  |
Total loans |  | $ 8

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