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DEBT - Schedule Of Cash Flow Hedges Related to Derivative Instruments On the Balance Sheet (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Derivatives, Fair Value [Line Items] |  |  |  |  |
Accumulated other comprehensive loss, interest rate swaps | $ (1,619) | $ (2,861) | $ (8,812) | $ (4,335) |
Designated as Hedging Instrument | Interest rate swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Cash flow hedge derivatives, liabilities | 14,598 |  | 14,598 |  | $ 5,427
Other accrued liabilities | Designated as Hedging Instrument | Interest rate swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Cash flow hedge derivatives, liabilities | 4,636 |  | 4,636 |  | 1,824
Other long-term liabilities | Designated as Hedging Instrument | Interest rate swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Cash flow hedge derivatives, liabilities | $ 9,962 |  | 9,962 |  | 3,603
Accumulated other comprehensive loss | Designated as Hedging Instrument | Interest rate swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Accumulated other comprehensive loss, interest rate swaps |  |  | (14,799) |  | (5,929)
Accumulated other comprehensive loss, interest rate swaps, tax provision |  |  | 0 |  | (112)
Accumulated other comprehensive loss |  |  | $ (14,799) |  | $ (6,041)

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