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Financial Instruments - Summary of Outstanding Interest Rate Swap Agreement (Details) - Interest rate swap - Cash Flow Hedging $ in Millions | 12 Months Ended
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Dec. 31, 2017 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative contract term (years) | 3 years
Aggregate Notional Amount | $ 350.0
LIBOR |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Spread on receive rate | 1.75%
Receive Rate as of December 31, 2017 | 3.30%
Pay Rate | 3.50%

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- Definition Interest Rate Derivatives, Receive Rate + References No definition available. + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Period the derivative contract is outstanding, 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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