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COMMITMENTS, CONTINGENCIES AND DERIVATIVES (Schedule of Swapped Variable Cost for Fixed Cost and Terms of Interest Rate Swap Agreements) (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2017 | Dec. 31, 2016
Derivative [Line Items] |  |  |  |
Derivative, fair value |  | $ 313,000 | $ 313,000 | $ 278,000
Loss on Cash Flow Hedge Ineffectiveness |  | 0 | 0 | 0
Interest rate swaps |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Amount |  | 43,000,000 | 43,000,000 | 43,000,000
Derivative, fair value | [1] | (8,123,000) | (8,123,000) | (8,372,000)
Interest rate swaps | Contract, One |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Amount |  | $ 10,000,000 | $ 10,000,000 |
Trade Date |  |  | Mar. 18, 2009 |
Maturity Date |  |  | Jun. 30, 2021 |
Variable Index Received |  |  | 3 months |
Fixed Rate Paid |  | 5.09% | 5.09% |
Derivative, fair value | [1] | $ (670,000) | $ (670,000) | (806,000)
Interest rate swaps | Contract, Two |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Amount |  | $ 10,000,000 | $ 10,000,000 |
Trade Date |  |  | Jul. 08, 2009 |
Maturity Date |  |  | Jun. 30, 2029 |
Variable Index Received |  |  | 3 months |
Fixed Rate Paid |  | 5.84% | 5.84% |
Derivative, fair value | [1] | $ (2,268,000) | $ (2,268,000) | (2,321,000)
Interest rate swaps | Contract, Three |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Amount |  | $ 10,000,000 | $ 10,000,000 |
Trade Date |  |  | May 06, 2010 |
Maturity Date |  |  | Jun. 30, 2030 |
Variable Index Received |  |  | 3 months |
Fixed Rate Paid |  | 5.71% | 5.71% |
Derivative, fair value | [1] | $ (2,253,000) | $ (2,253,000) | (2,290,000)
Interest rate swaps | Contract, Four |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Amount |  | $ 5,000,000 | $ 5,000,000 |
Trade Date |  |  | Mar. 14, 2011 |
Maturity Date |  |  | Mar. 30, 2031 |
Variable Index Received |  |  | 3 months |
Fixed Rate Paid |  | 5.75% | 5.75% |
Derivative, fair value | [1] | $ (1,198,000) | $ (1,198,000) | (1,211,000)
Interest rate swaps | Contract, Five |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Amount |  | $ 8,000,000 | $ 8,000,000 |
Trade Date |  |  | May 04, 2011 |
Maturity Date |  |  | Jul. 07, 2031 |
Variable Index Received |  |  | 3 months |
Fixed Rate Paid |  | 5.56% | 5.56% |
Derivative, fair value | [1] | $ (1,734,000) | $ (1,734,000) | (1,744,000)
Forward-Starting Interest Rate Swap |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Amount |  | 50,000,000 | 50,000,000 | 50,000,000
Derivative, fair value | [2] | (98,000) | (98,000) | (389,000)
Forward-Starting Interest Rate Swap | Contract, One |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Amount |  | $ 25,000,000 | $ 25,000,000 |
Trade Date |  |  | Feb. 25, 2015 |
Maturity Date |  |  | Feb. 25, 2018 |
Variable Index Received |  |  | 1 month |
Fixed Rate Paid |  | 1.54% | 1.54% |
Derivative, fair value | [2] | $ (24,000) | $ (24,000) | (152,000)
Forward-Starting Interest Rate Swap | Contract, Two |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Amount |  | $ 25,000,000 | $ 25,000,000 |
Trade Date |  |  | Feb. 25, 2015 |
Maturity Date |  |  | Feb. 25, 2019 |
Variable Index Received |  |  | 1 month |
Fixed Rate Paid |  | 1.74% | 1.74% |
Derivative, fair value | [2] | $ (74,000) | $ (74,000) | $ (237,000)
[1] | Presented within accrued interest and other liabilities on the consolidated statements of condition.
[2] | Presented within accrued interest and other liabilities on the consolidated statements of condition.

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