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LOAN LOSS ALLOWANCE (Tables) | 12 Months Ended
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Dec. 31, 2016
Receivables [Abstract] |
Schedule of Activity in the Allowance for Loan Losses | Activity in the allowance for loan losses for 2016, 2015, and 2014 was as follows: Business Activities Loans
(In thousands) 2016 |  | Commercial real estate |  | Commercial and industrial |  | Residential mortgages |  | Consumer |  | Unallocated |  | Total
Balance at beginning of year |  | $ | 14,508 |  |  | $ | 7,317 |  |  | $ | 7,566 |  |  | $ | 4,956 |  |  | $ | 227 |  |  | $ | 34,574 |
Charged-off loans |  | 2,127 |  |  | 4,620 |  |  | 2,036 |  |  | 1,722 |  |  | — |  |  | 10,505 |
Recoveries on charged-off loans |  | 243 |  |  | 123 |  |  | 159 |  |  | 267 |  |  | — |  |  | 792 |
Provision for loan losses |  | 3,781 |  |  | 6,551 |  |  | 2,063 |  |  | 1,946 |  |  | 27 |  |  | 14,368 |
Balance at end of year |  | $ | 16,405 |  |  | $ | 9,371 |  |  | $ | 7,752 |  |  | $ | 5,447 |  |  | $ | 254 |  |  | $ | 39,229 |
Individually evaluated for impairment |  | 158 |  |  | 264 |  |  | 136 |  |  | 156 |  |  | — |  |  | 714 |
Collectively evaluated |  | 16,247 |  |  | 9,107 |  |  | 7,616 |  |  | 5,291 |  |  | 254 |  |  | 38,515 |
Total |  | $ | 16,405 |  |  | $ | 9,371 |  |  | $ | 7,752 |  |  | $ | 5,447 |  |  | $ | 254 |  |  | $ | 39,229 |
Business Activities Loans
(In thousands) 2015 |  | Commercial real estate |  | Commercial and industrial |  | Residential mortgages |  | Consumer |  | Unallocated |  | Total
Balance at beginning of year |  | $ | 14,690 |  |  | $ | 5,206 |  |  | $ | 6,836 |  |  | $ | 5,928 |  |  | $ | 135 |  |  | $ | 32,795 |
Charged-off loans |  | 6,865 |  |  | 2,358 |  |  | 1,215 |  |  | 1,183 |  |  | — |  |  | 11,621 |
Recoveries on charged-off loans |  | 164 |  |  | 169 |  |  | 141 |  |  | 285 |  |  | — |  |  | 759 |
Provision for loan losses |  | 6,519 |  |  | 4,300 |  |  | 1,804 |  |  | (74 | ) |  | 92 |  |  | 12,641 |
Balance at end of year |  | $ | 14,508 |  |  | $ | 7,317 |  |  | $ | 7,566 |  |  | $ | 4,956 |  |  | $ | 227 |  |  | $ | 34,574 |
Individually evaluated for impairment |  | 149 |  |  | 21 |  |  | 153 |  |  | 103 |  |  | — |  |  | 426 |
Collectively evaluated |  | 14,359 |  |  | 7,296 |  |  | 7,413 |  |  | 4,853 |  |  | 227 |  |  | 34,148 |
Total |  | $ | 14,508 |  |  | $ | 7,317 |  |  | $ | 7,566 |  |  | $ | 4,956 |  |  | $ | 227 |  |  | $ | 34,574 |
Business Activities Loans
(In thousands) 2014 |  | Commercial real estate |  | Commercial and industrial |  | Residential mortgages |  | Consumer |  | Unallocated |  | Total
Balance at beginning of year |  | $ | 13,705 |  |  | $ | 5,173 |  |  | $ | 6,937 |  |  | $ | 3,644 |  |  | $ | 68 |  |  | $ | 29,527 |
Charged-off loans |  | 4,207 |  |  | 2,500 |  |  | 1,455 |  |  | 1,308 |  |  | — |  |  | 9,470 |
Recoveries on charged-off loans |  | 9 |  |  | 193 |  |  | 186 |  |  | 285 |  |  | — |  |  | 673 |
Provision for loan losses |  | 5,183 |  |  | 2,340 |  |  | 1,168 |  |  | 3,307 |  |  | 67 |  |  | 12,065 |
Balance at end of year |  | $ | 14,690 |  |  | $ | 5,206 |  |  | $ | 6,836 |  |  | $ | 5,928 |  |  | $ | 135 |  |  | $ | 32,795 |
Individually evaluated for impairment |  | 922 |  |  | — |  |  | 155 |  |  | 66 |  |  | — |  |  | 1,143 |
Collectively evaluated |  | 13,768 |  |  | 5,206 |  |  | 6,681 |  |  | 5,862 |  |  | 135 |  |  | 31,652 |
Total |  | $ | 14,690 |  |  | $ | 5,206 |  |  | $ | 6,836 |  |  | $ | 5,928 |  |  | $ | 135 |  |  | $ | 32,795 |
Acquired Loans
(In thousands) 2016 |  | Commercial real estate |  | Commercial and industrial |  | Residential mortgages |  | Consumer |  | Unallocated |  | Total
Balance at beginning of year |  | $ | 1,903 |  |  | $ | 1,330 |  |  | $ | 976 |  |  | $ | 525 |  |  | $ | — |  |  | $ | 4,734 |
Charged-off loans |  | 977 |  |  | 1,095 |  |  | 829 |  |  | 620 |  |  | — |  |  | 3,521 |
Recoveries on charged-off loans |  | 61 |  |  | 266 |  |  | 144 |  |  | 91 |  |  | — |  |  | 562 |
Provision for loan losses |  | 1,316 |  |  | 663 |  |  | 475 |  |  | 540 |  |  | — |  |  | 2,994 |
Balance at end of year |  | $ | 2,303 |  |  | $ | 1,164 |  |  | $ | 766 |  |  | $ | 536 |  |  | $ | — |  |  | $ | 4,769 |
Individually evaluated for impairment |  | 250 |  |  | 60 |  |  | 11 |  |  | 111 |  |  | — |  |  | 432 |
Purchased credit-impaired loans |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Collectively evaluated |  | 2,053 |  |  | 1,104 |  |  | 755 |  |  | 425 |  |  | — |  |  | 4,337 |
Total |  | $ | 2,303 |  |  | $ | 1,164 |  |  | $ | 766 |  |  | $ | 536 |  |  | $ | — |  |  | $ | 4,769 |
Acquired Loans
(In thousands) 2015 |  | Commercial real estate |  | Commercial and industrial |  | Residential mortgages |  | Consumer |  | Unallocated |  | Total
Balance at beginning of year |  | $ | 790 |  |  | $ | 1,093 |  |  | $ | 615 |  |  | $ | 369 |  |  | $ | — |  |  | $ | 2,867 |
Charged-off loans |  | 681 |  |  | 752 |  |  | 642 |  |  | 992 |  |  | — |  |  | 3,067 |
Recoveries on charged-off loans |  | 418 |  |  | 289 |  |  | 64 |  |  | 78 |  |  | — |  |  | 849 |
Provision for loan losses |  | 1,376 |  |  | 700 |  |  | 939 |  |  | 1,070 |  |  | — |  |  | 4,085 |
Balance at end of year |  | $ | 1,903 |  |  | $ | 1,330 |  |  | $ | 976 |  |  | $ | 525 |  |  | $ | — |  |  | $ | 4,734 |
Individually evaluated for impairment |  | 43 |  |  | — |  |  | 30 |  |  | 25 |  |  | — |  |  | 98 |
Purchased credit-impaired loans |  | 42 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 42 |
Collectively evaluated |  | 1,818 |  |  | 1,330 |  |  | 946 |  |  | 500 |  |  | — |  |  | 4,594 |
Total |  | $ | 1,903 |  |  | $ | 1,330 |  |  | $ | 976 |  |  | $ | 525 |  |  | $ | — |  |  | $ | 4,734 |
Acquired Loans
(In thousands) 2014 |  | Commercial real estate |  | Commercial and industrial |  | Residential mortgages |  | Consumer |  | Unallocated |  | Total
Balance at beginning of year |  | $ | 2,339 |  |  | $ | 597 |  |  | $ | 625 |  |  | $ | 235 |  |  | $ | — |  |  | $ | 3,796 |
Charged-off loans |  | 1,477 |  |  | 510 |  |  | 1,141 |  |  | 1,255 |  |  | — |  |  | 4,383 |
Recoveries on charged-off loans |  | 261 |  |  | 35 |  |  | 179 |  |  | 76 |  |  | — |  |  | 551 |
Provision for loan losses |  | (333 | ) |  | 971 |  |  | 952 |  |  | 1,313 |  |  | — |  |  | 2,903 |
Balance at end of year |  | $ | 790 |  |  | $ | 1,093 |  |  | $ | 615 |  |  | $ | 369 |  |  | $ | — |  |  | $ | 2,867 |
Individually evaluated for impairment |  | 48 |  |  | — |  |  | 48 |  |  | 75 |  |  | — |  |  | 171 |
Purchased credit-impaired loans |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Collectively evaluated |  | 742 |  |  | 1,093 |  |  | 567 |  |  | 294 |  |  | — |  |  | 2,696 |
Total |  | $ | 790 |  |  | $ | 1,093 |  |  | $ | 615 |  |  | $ | 369 |  |  | $ | — |  |  | $ | 2,867 |
Schedule of Loans by Risk Rating | The following tables present the Company’s loans by risk rating at year-end 2016 and 2015: Business Activities Loans Commercial Real Estate Credit Risk Profile by Creditworthiness Category
|  | Construction |  | Single and multi-family |  | Real Estate |  | Total commercial real estate
(In thousands) |  | 2016 |  | 2015 |  | 2016 |  | 2015 |  | 2016 |  | 2015 |  | 2016 |  | 2015
Grade: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ | 253,302 |  |  | $ | 208,138 |  |  | $ | 189,310 |  |  | $ | 212,900 |  |  | $ | 1,434,762 |  |  | $ | 1,155,770 |  |  | $ | 1,877,374 |  |  | $ | 1,576,808 |
Special mention |  | — |  |  | — |  |  | 334 |  |  | — |  |  | 5,827 |  |  | 3,449 |  |  | 6,161 |  |  | 3,449 |
Substandard |  | — |  |  | 2,058 |  |  | 2,175 |  |  | 1,923 |  |  | 40,598 |  |  | 49,716 |  |  | 42,773 |  |  | 53,697 |
Doubtful |  | — |  |  | — |  |  | — |  |  | — |  |  | 36 |  |  | 73 |  |  | 36 |  |  | 73 |
Total |  | $ | 253,302 |  |  | $ | 210,196 |  |  | $ | 191,819 |  |  | $ | 214,823 |  |  | $ | 1,481,223 |  |  | $ | 1,209,008 |  |  | $ | 1,926,344 |  |  | $ | 1,634,027 |
Commercial and Industrial Loans Credit Risk Profile by Creditworthiness Category
|  | Asset based lending |  | Other |  | Total comm. and industrial
(In thousands) |  | 2016 |  | 2015 |  | 2016 |  | 2015 |  | 2016 |  | 2015
Grade: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ | 321,270 |  |  | $ | 331,253 |  |  | $ | 569,704 |  |  | $ | 455,710 |  |  | $ | 890,974 |  |  | $ | 786,963 |
Special mention |  | — |  |  | — |  |  | 123 |  |  | 24,578 |  |  | 123 |  |  | 24,578 |
Substandard |  | — |  |  | — |  |  | 13,825 |  |  | 15,691 |  |  | 13,825 |  |  | 15,691 |
Doubtful |  | — |  |  | — |  |  | 3,180 |  |  | — |  |  | 3,180 |  |  | — |
Total |  | $ | 321,270 |  |  | $ | 331,253 |  |  | $ | 586,832 |  |  | $ | 495,979 |  |  | $ | 908,102 |  |  | $ | 827,232 |
Residential Mortgages Credit Risk Profile by Internally Assigned Grade
|  | 1-4 family |  | Construction |  | Total residential mortgages
(In thousands) |  | 2016 |  | 2015 |  | 2016 |  | 2015 |  | 2016 |  | 2015
Grade: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ | 1,578,913 |  |  | $ | 1,449,073 |  |  | $ | 11,178 |  |  | $ | 26,704 |  |  | $ | 1,590,091 |  |  | $ | 1,475,777 |
Special mention |  | 701 |  |  | 857 |  |  | — |  |  | — |  |  | 701 |  |  | 857 |
Substandard |  | 4,179 |  |  | 4,303 |  |  | — |  |  | — |  |  | 4,179 |  |  | 4,303 |
Total |  | $ | 1,583,793 |  |  | $ | 1,454,233 |  |  | $ | 11,178 |  |  | $ | 26,704 |  |  | $ | 1,594,971 |  |  | $ | 1,480,937 |
Consumer Loans Credit Risk Profile Based on Payment Activity
|  | Home equity |  | Auto and other |  | Total consumer
(In thousands) |  | 2016 |  | 2015 |  | 2016 |  | 2015 |  | 2016 |  | 2015
Performing |  | $ | 310,846 |  |  | $ | 305,562 |  |  | $ | 477,416 |  |  | $ | 310,777 |  |  | $ | 788,262 |  |  | $ | 616,339 |
Nonperforming |  | 2,675 |  |  | 1,597 |  |  | 952 |  |  | 551 |  |  | 3,627 |  |  | 2,148 |
Total |  | $ | 313,521 |  |  | $ | 307,159 |  |  | $ | 478,368 |  |  | $ | 311,328 |  |  | $ | 791,889 |  |  | $ | 618,487 |
Acquired Loans Commercial Real Estate Credit Risk Profile by Creditworthiness Category
|  | Construction |  | Single and multi-family |  | Real Estate |  | Total commercial real estate
(In thousands) |  | 2016 |  | 2015 |  | 2016 |  | 2015 |  | 2016 |  | 2015 |  | 2016 |  | 2015
Grade: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ | 33,461 |  |  | $ | 42,176 |  |  | $ | 119,414 |  |  | $ | 32,796 |  |  | $ | 496,562 |  |  | $ | 324,614 |  |  | $ | 649,437 |  |  | $ | 399,586 |
Special mention |  | — |  |  | — |  |  | 907 |  |  | 655 |  |  | 1,622 |  |  | 352 |  |  | 2,529 |  |  | 1,007 |
Substandard |  | 746 |  |  | 1,298 |  |  | 5,351 |  |  | 3,332 |  |  | 32,031 |  |  | 20,517 |  |  | 38,128 |  |  | 25,147 |
Total |  | $ | 34,207 |  |  | $ | 43,474 |  |  | $ | 125,672 |  |  | $ | 36,783 |  |  | $ | 530,215 |  |  | $ | 345,483 |  |  | $ | 690,094 |  |  | $ | 425,740 |
Commercial and Industrial Loans Credit Risk Profile by Creditworthiness Category
|  | Asset based lending |  | Other |  | Total comm. and industrial
(In thousands) |  | 2016 |  | 2015 |  | 2016 |  | 2015 |  | 2016 |  | 2015
Grade: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ | — |  |  | $ | — |  |  | $ | 147,102 |  |  | $ | 212,825 |  |  | $ | 147,102 |  |  | $ | 212,825 |
Special mention |  | — |  |  | — |  |  | 1,260 |  |  | 487 |  |  | 1,260 |  |  | 487 |
Substandard |  | — |  |  | — |  |  | 5,574 |  |  | 7,719 |  |  | 5,574 |  |  | 7,719 |
Total |  | $ | — |  |  | $ | — |  |  | $ | 153,936 |  |  | $ | 221,031 |  |  | $ | 153,936 |  |  | $ | 221,031 |
Residential Mortgages Credit Risk Profile by Internally Assigned Grade
|  | 1-4 family |  | Construction |  | Total residential mortgages
(In thousands) |  | 2016 |  | 2015 |  | 2016 |  | 2015 |  | 2016 |  | 2015
Grade: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ | 294,983 |  |  | $ | 329,375 |  |  | $ | 804 |  |  | $ | 1,351 |  |  | $ | 295,787 |  |  | $ | 330,726 |
Special mention |  | 343 |  |  | 311 |  |  | — |  |  | — |  |  | 343 |  |  | 311 |
Substandard |  | 2,029 |  |  | 3,061 |  |  | — |  |  | — |  |  | 2,029 |  |  | 3,061 |
Total |  | $ | 297,355 |  |  | $ | 332,747 |  |  | $ | 804 |  |  | $ | 1,351 |  |  | $ | 298,159 |  |  | $ | 334,098 |
Consumer Loans Credit Risk Profile Based on Payment Activity
|  | Home equity |  | Auto and other |  | Total consumer
(In thousands) |  | 2016 |  | 2015 |  | 2016 |  | 2015 |  | 2016 |  | 2015
Performing |  | $ | 79,762 |  |  | $ | 52,719 |  |  | $ | 105,117 |  |  | $ | 129,345 |  |  | $ | 184,879 |  |  | $ | 182,064 |
Nonperforming |  | 517 |  |  | 727 |  |  | 895 |  |  | 893 |  |  | 1,412 |  |  | 1,620 |
Total |  | $ | 80,279 |  |  | $ | 53,446 |  |  | $ | 106,012 |  |  | $ | 130,238 |  |  | $ | 186,291 |  |  | $ | 183,684 |
Summary of Information About Total Loans Rated Special Mention or Lower | The following table summarizes information about total loans rated Special Mention or lower. The table below includes consumer loans that are Special Mention and Substandard accruing that are classified in the above table as performing based on payment activity.
|  | December 31, 2016 |  | December 31, 2015
(In thousands) |  | Business Activities Loans |  | Acquired Loans |  | Total |  | Business Activities Loans |  | Acquired Loans |  | Total
Non-Accrual |  | $ | 16,816 |  |  | $ | 5,424 |  |  | $ | 22,240 |  |  | $ | 15,484 |  |  | $ | 5,391 |  |  | $ | 20,875 |
Substandard Accruing |  | 51,125 |  |  | 44,177 |  |  | 95,302 |  |  | 60,549 |  |  | 32,560 |  |  | 93,109 |
Total Classified |  | 67,941 |  |  | 49,601 |  |  | 117,542 |  |  | 76,033 |  |  | 37,951 |  |  | 113,984 |
Special Mention |  | 7,479 |  |  | 4,323 |  |  | 11,802 |  |  | 29,036 |  |  | 2,259 |  |  | 31,295 |
Total Criticized |  | $ | 75,420 |  |  | $ | 53,924 |  |  | $ | 129,344 |  |  | $ | 105,069 |  |  | $ | 40,210 |  |  | $ | 145,279 |

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- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 55 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=32702940&loc=SL6953803-111525 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953659-111524 + Details
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