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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) | 12 Months Ended
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Dec. 31, 2018 USD ($) Integer | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Derivative [Line Items] |  |  |
Document Fiscal Year Focus | 2018 |  |
Interest Rate Cash Flow Hedge Assets at Fair Value | $ 6,701,000 | $ 6,034,000 |
Interest Rate Cash Flow Hedge Liabilities at Fair Value | $ 0 | 695,000 |
Number of interest rate swaps | Integer | 6 |  |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Cash flow hedge amount to be reclassified to Interest Expense in next 12 months [Line Items] | $ 2,532,000 |  |
Amount of (income) loss recognized in Other Comprehensive Income (Loss) on derivative | 2,757,000 | 1,437,000 | $ 1,410,000
Amount of (income) loss reclassified from accumulated other comprehensive income (loss) to interest expense | (1,404,000) | 1,916,000 | $ 4,041,000
Interest Rate Swap [Member] | Other Liabilities [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Interest Rate Cash Flow Hedge Liabilities at Fair Value | 0 |  |
$80 million interest rate swap [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 0 | 80,000,000 |
$75 million interest rate swap executed in 2014 [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 75,000,000 | 75,000,000 |
$75 million interest rate swap executed in 2015 [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 75,000,000 | 75,000,000 |
$65 million interest rate swap executed in 2016 [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 65,000,000 | 65,000,000 |
$60 million interest rate swap [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 60,000,000 | 60,000,000 |
$40 million interest rate swap (2016) [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 40,000,000 | 40,000,000 |
$15 million interest rate swap [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | $ 15,000,000 | $ 15,000,000 |

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