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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 | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2018 | Dec. 31, 2017
Derivative [Line Items] |  |  |  |
Derivative, fair value |  | $ 192,000 | $ 192,000 | $ 142,000
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] | 5,151,000 | 5,151,000 | 7,571,000
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] | $ 259,000 | $ 259,000 | 527,000
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] | $ 1,507,000 | $ 1,507,000 | 2,133,000
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] | $ 1,478,000 | $ 1,478,000 | 2,129,000
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 |  | 4.35% | 4.35% |
Derivative, fair value | [1] | $ 798,000 | $ 798,000 | 1,137,000
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 |  | 4.14% | 4.14% |
Derivative, fair value | [1] | $ 1,109,000 | $ 1,109,000 | 1,645,000
Forward-Starting Interest Rate Swap |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Amount |  | 25,000,000 | 25,000,000 | 50,000,000
Derivative, fair value | [2] | 89,000 | 89,000 | 21,000
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] | $ 0 | $ 0 | 20,000
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] | $ 89,000 | $ 89,000 | $ 1,000
[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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- Definition Maturity period on variable rate advances made and reported by Federal Home Loan Bank (FHLBank), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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