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LOAN LOSS ALLOWANCE - Allowance Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Dec. 31, 2018
Activity in the allowance for loan losses |  |  |  |  |  |
Balance at beginning of period |  |  | $ 61,469 |  |  |
Provision/(releases) for loan losses | $ 3,467 | $ 6,532 | 7,468 | $ 12,107 |  |
Balance at end of period | 62,156 |  | 62,156 |  |  |
Total | 62,156 |  | 62,156 |  | $ 62,156 | $ 61,469
Business Activities Loans |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |
Balance at beginning of period | 56,212 | 47,277 | 56,139 | 45,920 |  |
Charged-off loans | 2,945 | 3,962 | 6,838 | 5,898 |  |
Recoveries on charged-off loans | 308 | 614 | 892 | 755 |  |
Provision/(releases) for loan losses | 1,857 | 6,385 | 5,239 | 9,537 |  |
Balance at end of period | 55,432 | 50,314 | 55,432 | 50,314 |  |
Individually evaluated for impairment |  |  |  |  | 134 | 197
Collectively evaluated for impairment |  |  |  |  | 55,298 | 55,942
Total | 56,212 | 47,277 | 55,432 | 50,314 | 55,432 | 56,139
Business Activities Loans | Commercial real estate |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |
Balance at beginning of period | 22,521 | 17,841 | 21,732 | 16,843 |  |
Charged-off loans | 702 | 1,392 | 1,958 | 1,498 |  |
Recoveries on charged-off loans | 67 | 26 | 275 | 49 |  |
Provision/(releases) for loan losses | 522 | 2,676 | 2,359 | 3,757 |  |
Balance at end of period | 22,408 | 19,151 | 22,408 | 19,151 |  |
Individually evaluated for impairment |  |  |  |  | 7 | 9
Collectively evaluated for impairment |  |  |  |  | 22,401 | 21,723
Total | 22,521 | 17,841 | 22,408 | 19,151 | 22,408 | 21,732
Business Activities Loans | Commercial and industrial loans |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |
Balance at beginning of period | 18,247 | 13,229 | 16,504 | 13,850 |  |
Charged-off loans | 1,180 | 1,706 | 2,856 | 2,596 |  |
Recoveries on charged-off loans | 119 | 447 | 426 | 491 |  |
Provision/(releases) for loan losses | 1,663 | 2,685 | 4,775 | 2,910 |  |
Balance at end of period | 18,849 | 14,655 | 18,849 | 14,655 |  |
Individually evaluated for impairment |  |  |  |  | 42 | 49
Collectively evaluated for impairment |  |  |  |  | 18,807 | 16,455
Total | 18,247 | 13,229 | 18,849 | 14,655 | 18,849 | 16,504
Business Activities Loans | Residential mortgages |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |
Balance at beginning of period | 9,209 | 8,598 | 10,535 | 9,420 |  |
Charged-off loans | 206 | 27 | 248 | 27 |  |
Recoveries on charged-off loans | 43 | 6 | 58 | 6 |  |
Provision/(releases) for loan losses | (212) | 853 | (1,511) | 31 |  |
Balance at end of period | 8,834 | 9,430 | 8,834 | 9,430 |  |
Individually evaluated for impairment |  |  |  |  | 78 | 128
Collectively evaluated for impairment |  |  |  |  | 8,756 | 10,407
Total | 9,209 | 8,598 | 10,535 | 9,430 | 8,834 | 10,535
Business Activities Loans | Consumer |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |
Balance at beginning of period | 6,235 | 7,609 | 7,368 | 5,807 |  |
Charged-off loans | 857 | 837 | 1,776 | 1,777 |  |
Recoveries on charged-off loans | 79 | 135 | 133 | 209 |  |
Provision/(releases) for loan losses | (116) | 171 | (384) | 2,839 |  |
Balance at end of period | 5,341 | 7,078 | 5,341 | 7,078 |  |
Individually evaluated for impairment |  |  |  |  | 7 | 11
Collectively evaluated for impairment |  |  |  |  | 5,334 | 7,357
Total | 6,235 | 7,609 | 5,341 | 7,078 | 5,341 | 7,368
Acquired Loans |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |
Balance at beginning of period | 5,826 | 6,582 | 5,330 | 5,914 |  |
Charged-off loans | 1,021 | 1,758 | 1,707 | 3,613 |  |
Recoveries on charged-off loans | 309 | 640 | 872 | 740 |  |
Provision/(releases) for loan losses | 1,610 | 147 | 2,229 | 2,570 |  |
Balance at end of period | 6,724 | 5,611 | 6,724 | 5,611 |  |
Individually evaluated for impairment |  |  |  |  | 99 | 97
Collectively evaluated for impairment |  |  |  |  | 6,625 | 5,233
Total | 5,826 | 6,582 | 5,330 | 5,611 | 6,724 | 5,330
Acquired Loans | Commercial real estate |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |
Balance at beginning of period | 3,910 | 3,995 | 3,153 | 3,856 |  |
Charged-off loans | 624 | 972 | 804 | 1,712 |  |
Recoveries on charged-off loans | 24 | 259 | 500 | 265 |  |
Provision/(releases) for loan losses | 1,252 | 100 | 1,713 | 973 |  |
Balance at end of period | 4,562 | 3,382 | 4,562 | 3,382 |  |
Individually evaluated for impairment |  |  |  |  | 84 | 9
Collectively evaluated for impairment |  |  |  |  | 4,478 | 3,144
Total | 3,910 | 3,995 | 4,562 | 3,856 | 4,562 | 3,153
Acquired Loans | Commercial and industrial loans |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |
Balance at beginning of period | 879 | 1,243 | 1,064 | 1,125 |  |
Charged-off loans | 109 | 0 | 371 | 155 |  |
Recoveries on charged-off loans | 175 | 66 | 226 | 95 |  |
Provision/(releases) for loan losses | (75) | (182) | (49) | 62 |  |
Balance at end of period | 870 | 1,127 | 870 | 1,127 |  |
Individually evaluated for impairment |  |  |  |  | 0 | 4
Collectively evaluated for impairment |  |  |  |  | 870 | 1,060
Total | 879 | 1,243 | 1,064 | 1,127 | 870 | 1,064
Acquired Loans | Residential mortgages |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |
Balance at beginning of period | 622 | 1,046 | 630 | 598 |  |
Charged-off loans | 31 | 622 | 104 | 1,053 |  |
Recoveries on charged-off loans | 55 | 11 | 60 | 36 |  |
Provision/(releases) for loan losses | 236 | 183 | 296 | 1,037 |  |
Balance at end of period | 882 | 618 | 882 | 618 |  |
Individually evaluated for impairment |  |  |  |  | 8 | 36
Collectively evaluated for impairment |  |  |  |  | 874 | 594
Total | 622 | 1,046 | 630 | 598 | 882 | 630
Acquired Loans | Consumer |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |
Balance at beginning of period | 415 | 298 | 483 | 335 |  |
Charged-off loans | 257 | 164 | 428 | 693 |  |
Recoveries on charged-off loans | 55 | 304 | 86 | 344 |  |
Provision/(releases) for loan losses | 197 | 46 | 269 | 498 |  |
Balance at end of period | 410 | 484 | 410 | 484 |  |
Individually evaluated for impairment |  |  |  |  | 7 | 48
Collectively evaluated for impairment |  |  |  |  | 403 | 435
Total | $ 415 | $ 298 | $ 483 | $ 335 | $ 410 | $ 483

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