FAIR VALUE MEASUREMENTS - Interest Swap Derivatives (Details) - Interest Rate Swap [Member] - Level 2 [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands |
12 Months Ended | |
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Dec. 31, 2018 |
Dec. 31, 2017 |
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| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis [Roll Forward] | ||
| Fair value at beginning of period | $ 12,414 | $ 8,159 |
| Cash flow hedge ineffectiveness | 12 | |
| Losses (Gains) on interest rate swaps reclassified into interest expense from accumulated other comprehensive income | (1,817) | 2,308 |
| Unrealized gains included in accumulated other comprehensive income | 3,598 | 1,935 |
| Fair value of end of period | $ 14,195 | $ 12,414 |
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- Definition Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis No definition available.
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- Definition Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis, Gain (Loss) Included In Earnings, Cash Flow Hedge Ineffectiveness No definition available.
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- Definition Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis, Gain (Loss) Included In Earnings, Reclassification From AOCI, Current Period No definition available.
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- Definition Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis, Gain (Loss) Included In Other Comprehensive Income (Loss) No definition available.
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- Definition Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis [Roll Forward] No definition available.
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