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LOANS AND ALLOWANCE FOR LOAN LOSSES (Activity in Allowance for Loan Losses by Portfolio Segment) (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Reserve for unfunded commitments | $ 22,000 | $ 14,000 | $ 22,000 | $ 14,000 | $ 11,000
Activity in ALL: |  |  |  |  |
Beginning balance | 24,394,000 | 23,717,000 | 23,116,000 | 21,166,000 | 21,166,000
Loans charged off | (908,000) | (1,841,000) | (1,931,000) | (3,268,000) | (3,805,000)
Recoveries | 125,000 | 127,000 | 442,000 | 381,000 | 486,000
Provision (credit)(1) | 802,000 | 1,287,000 | 2,786,000 | 5,011,000 | 5,269,000
Ending balance | 24,413,000 | 23,290,000 | 24,413,000 | 23,290,000 | 23,116,000
Ending Balance: Individually evaluated for impairment | 1,934,000 | 1,957,000 | 1,934,000 | 1,957,000 | 2,007,000
Ending Balance: Collectively evaluated for impairment | 22,479,000 | 21,333,000 | 22,479,000 | 21,333,000 | 21,109,000
Ending Balance: Individually evaluated for impairment | 13,430,000 | 20,682,000 | 13,430,000 | 20,682,000 | 20,254,000
Ending Balance: Collectively evaluated for impairment | 2,734,860,000 | 2,571,327,000 | 2,734,860,000 | 2,571,327,000 | 2,574,310,000
Total Loans Outstanding | 2,748,290,000 | 2,592,009,000 | 2,748,290,000 | 2,592,009,000 | 2,594,564,000
Residential Real Estate |  |  |  |  |
Activity in ALL: |  |  |  |  |
Beginning balance | 4,481,000 | 4,431,000 | 4,160,000 | 4,545,000 | 4,545,000
Loans charged off | (238,000) | 0 | (433,000) | (229,000) | (356,000)
Recoveries | 26,000 | 1,000 | 30,000 | 72,000 | 95,000
Provision (credit)(1) | 273,000 | 163,000 | 785,000 | 207,000 | (124,000)
Ending balance | 4,542,000 | 4,595,000 | 4,542,000 | 4,595,000 | 4,160,000
Ending Balance: Individually evaluated for impairment | 464,000 | 511,000 | 464,000 | 511,000 | 483,000
Ending Balance: Collectively evaluated for impairment | 4,078,000 | 4,084,000 | 4,078,000 | 4,084,000 | 3,677,000
Ending Balance: Individually evaluated for impairment | 4,792,000 | 4,551,000 | 4,792,000 | 4,551,000 | 4,348,000
Ending Balance: Collectively evaluated for impairment | 848,059,000 | 792,485,000 | 848,059,000 | 792,485,000 | 798,146,000
Total Loans Outstanding | 852,851,000 | 797,036,000 | 852,851,000 | 797,036,000 | 802,494,000
Commercial Real Estate |  |  |  |  |
Activity in ALL: |  |  |  |  |
Beginning balance | 12,848,000 | 11,559,000 | 12,154,000 | 10,432,000 | 10,432,000
Loans charged off | (69,000) | (32,000) | (81,000) | (273,000) | (315,000)
Recoveries | 25,000 | 7,000 | 138,000 | 50,000 | 50,000
Provision (credit)(1) | (8,000) | 1,046,000 | 585,000 | 2,371,000 | 1,987,000
Ending balance | 12,796,000 | 12,580,000 | 12,796,000 | 12,580,000 | 12,154,000
Ending Balance: Individually evaluated for impairment | 1,470,000 | 1,284,000 | 1,470,000 | 1,284,000 | 1,373,000
Ending Balance: Collectively evaluated for impairment | 11,326,000 | 11,296,000 | 11,326,000 | 11,296,000 | 10,781,000
Ending Balance: Individually evaluated for impairment | 6,373,000 | 13,286,000 | 6,373,000 | 13,286,000 | 13,317,000
Ending Balance: Collectively evaluated for impairment | 1,125,510,000 | 1,041,021,000 | 1,125,510,000 | 1,041,021,000 | 1,037,463,000
Total Loans Outstanding | 1,131,883,000 | 1,054,307,000 | 1,131,883,000 | 1,054,307,000 | 1,050,780,000
Commercial |  |  |  |  |
Activity in ALL: |  |  |  |  |
Beginning balance | 4,275,000 | 4,558,000 | 3,755,000 | 3,241,000 | 3,241,000
Loans charged off | (369,000) | (1,541,000) | (650,000) | (1,970,000) | (2,218,000)
Recoveries | 59,000 | 118,000 | 254,000 | 252,000 | 332,000
Provision (credit)(1) | 256,000 | 148,000 | 862,000 | 1,760,000 | 2,400,000
Ending balance | 4,221,000 | 3,283,000 | 4,221,000 | 3,283,000 | 3,755,000
Ending Balance: Individually evaluated for impairment | 0 | 0 | 0 | 0 |
Ending Balance: Collectively evaluated for impairment | 4,221,000 | 3,283,000 | 4,221,000 | 3,283,000 | 3,755,000
Ending Balance: Individually evaluated for impairment | 1,842,000 | 2,243,000 | 1,842,000 | 2,243,000 | 2,028,000
Ending Balance: Collectively evaluated for impairment | 367,313,000 | 322,179,000 | 367,313,000 | 322,179,000 | 331,611,000
Total Loans Outstanding | 369,155,000 | 324,422,000 | 369,155,000 | 324,422,000 | 333,639,000
Home Equity |  |  |  |  |
Activity in ALL: |  |  |  |  |
Beginning balance | 2,094,000 | 2,946,000 | 2,194,000 | 2,731,000 | 2,731,000
Loans charged off | (11,000) | (44,000) | (403,000) | (229,000) | (308,000)
Recoveries | 1,000 | 0 | 2,000 | 2,000 | 2,000
Provision (credit)(1) | 93,000 | (335,000) | 384,000 | 63,000 | (231,000)
Ending balance | 2,177,000 | 2,567,000 | 2,177,000 | 2,567,000 | 2,194,000
Ending Balance: Individually evaluated for impairment | 0 | 88,000 | 0 | 88,000 | 86,000
Ending Balance: Collectively evaluated for impairment | 2,177,000 | 2,479,000 | 2,177,000 | 2,479,000 | 2,108,000
Ending Balance: Individually evaluated for impairment | 423,000 | 489,000 | 423,000 | 489,000 | 457,000
Ending Balance: Collectively evaluated for impairment | 327,905,000 | 332,606,000 | 327,905,000 | 332,606,000 | 329,450,000
Total Loans Outstanding | 328,328,000 | 333,095,000 | 328,328,000 | 333,095,000 | 329,907,000
Consumer |  |  |  |  |
Activity in ALL: |  |  |  |  |
Beginning balance | 182,000 | 193,000 | 181,000 | 193,000 | 193,000
Loans charged off | (28,000) | (19,000) | (90,000) | (60,000) | (101,000)
Recoveries | 9,000 | 1,000 | 13,000 | 5,000 | 7,000
Provision (credit)(1) | 32,000 | (13,000) | 91,000 | 24,000 | 82,000
Ending balance | 195,000 | 162,000 | 195,000 | 162,000 | 181,000
Ending Balance: Individually evaluated for impairment | 0 | 0 | 0 | 0 |
Ending Balance: Collectively evaluated for impairment | 195,000 | 162,000 | 195,000 | 162,000 | 181,000
Ending Balance: Individually evaluated for impairment | 0 | 7,000 | 0 | 7,000 | 7,000
Ending Balance: Collectively evaluated for impairment | 18,123,000 | 17,409,000 | 18,123,000 | 17,409,000 | 17,325,000
Total Loans Outstanding | 18,123,000 | 17,416,000 | 18,123,000 | 17,416,000 | 17,332,000
HPFC Portfolio Segment |  |  |  |  |
Activity in ALL: |  |  |  |  |
Beginning balance | 514,000 | 30,000 | 672,000 | 24,000 | 24,000
Loans charged off | (193,000) | (205,000) | (274,000) | (507,000) | (507,000)
Recoveries | 5,000 | 0 | 5,000 | 0 |
Provision (credit)(1) | 156,000 | 278,000 | 79,000 | 586,000 | 1,155,000
Ending balance | 482,000 | 103,000 | 482,000 | 103,000 | 672,000
Ending Balance: Individually evaluated for impairment | 0 | 74,000 | 0 | 74,000 | 65,000
Ending Balance: Collectively evaluated for impairment | 482,000 | 29,000 | 482,000 | 29,000 | 607,000
Ending Balance: Individually evaluated for impairment | 0 | 106,000 | 0 | 106,000 | 97,000
Ending Balance: Collectively evaluated for impairment | 47,950,000 | 65,627,000 | 47,950,000 | 65,627,000 | 60,315,000
Total Loans Outstanding | $ 47,950,000 | $ 65,733,000 | $ 47,950,000 | $ 65,733,000 | $ 60,412,000

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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