Long-term Debt - Hedging Activities in Statements of Operations and Impact of Hedges (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
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Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Debt Disclosure [Abstract] | |||
| Total interest expense | $ 76,874 | $ 65,472 | $ 45,241 |
| Impact of hedging | (8,034) | $ 972 | $ 1,316 |
| Cash Flow Hedging [Member] | Interest Rate Swap [Member] | |||
| Debt Instrument [Line Items] | |||
| Gain on settlement of derivatives | $ 8,000 | ||
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- References No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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