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LOANS - Summary of Impaired Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Business Activities Loans |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Total | $ 36,018 | $ 22,947
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Total | 36,732 | 23,373
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 714 | 426
Business Activities Loans | Commercial real estate |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Total | 25,390 | 11,411
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Total | 25,548 | 11,560
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 158 | 149
Business Activities Loans | Commercial real estate | Construction |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance |  | 2,000
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance |  | 2,000
Business Activities Loans | Commercial real estate | Other |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance | 18,905 | 4,613
With an allowance recorded | 6,306 | 4,798
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance | 18,905 | 4,613
With an allowance recorded | 6,462 | 4,947
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 156 | 149
Business Activities Loans | Commercial real estate | Single and multi-family |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With an allowance recorded | 179 |
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With an allowance recorded | 181 |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 2 |
Business Activities Loans | Commercial and industrial |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Total | 5,442 | 7,169
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Total | 5,706 | 7,190
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 264 | 21
Business Activities Loans | Commercial and industrial | Other |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance | 382 | 5,828
With an allowance recorded | 5,060 | 1,341
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance | 382 | 5,828
With an allowance recorded | 5,324 | 1,362
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 264 | 21
Business Activities Loans | Residential |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Total | 2,639 | 2,660
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Total | 2,775 | 2,813
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 136 | 153
Business Activities Loans | Residential | 1-4 family |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance | 2,101 | 1,181
With an allowance recorded | 538 | 1,479
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance | 2,101 | 1,181
With an allowance recorded | 674 | 1,632
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 136 | 153
Business Activities Loans | Consumer |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Total | 2,547 | 1,707
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Total | 2,703 | 1,810
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 156 | 103
Business Activities Loans | Consumer | Other |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance |  | 1
With an allowance recorded |  | 101
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance |  | 1
With an allowance recorded |  | 108
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance |  | 7
Business Activities Loans | Consumer | Home equity |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance | 1,605 | 702
With an allowance recorded | 942 | 903
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance | 1,605 | 702
With an allowance recorded | 1,098 | 999
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 156 | 96
Acquired Loans |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Total | 5,171 | 5,325
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Total | 5,605 | 5,465
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 434 | 140
Acquired Loans | Commercial real estate |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Total | 4,006 | 4,324
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Total | 4,256 | 4,409
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 250 | 85
Acquired Loans | Commercial real estate | Other |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance | 547 | 1,722
With an allowance recorded | 2,209 | 1,964
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance | 547 | 1,722
With an allowance recorded | 2,351 | 2,032
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 142 | 68
Acquired Loans | Commercial real estate | Single and multi-family |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With an allowance recorded | 1,250 | 638
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With an allowance recorded | 1,358 | 655
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 108 | 17
Acquired Loans | Commercial and industrial |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Total | 576 | 0
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Total | 635 | 0
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 59 | 0
Acquired Loans | Commercial and industrial | Other |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With an allowance recorded |  | 576
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With an allowance recorded |  | 635
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance |  | 59
Acquired Loans | Residential |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Total | 297 | 540
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Total | 308 | 570
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 11 | 30
Acquired Loans | Residential | 1-4 family |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance | 208 | 274
With an allowance recorded | 89 | 266
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance | 208 | 274
With an allowance recorded | 100 | 296
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 11 | 30
Acquired Loans | Consumer |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Total | 292 | 461
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Total | 406 | 486
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | 114 | 25
Acquired Loans | Consumer | Other |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance | 0 | 177
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance | 0 | 177
Acquired Loans | Consumer | Home equity |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
With no related allowance | 0 | 117
With an allowance recorded | 292 | 167
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
With no related allowance | 0 | 117
With an allowance recorded | 406 | 192
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |
Related Allowance | $ 114 | $ 25

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