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Derivative Financial Instruments - Additional Information (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Jul. 15, 2016 | Jul. 14, 2016 | Dec. 31, 2016
Derivative [Line Items] |  |  |
Loss on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring |  | $ 40,600,000 |
Current Fiscal Year End Date |  |  | --12-31
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months |  |  | $ 9,800,000
Assets [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount |  |  | $ 220,000,000
2017 Debt issuance [Member] | Derivative [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, weighted average fixed interest rate |  |  | 3.48%
Equity Offering [Member] |  |  |
Derivative [Line Items] |  |  |
Proceeds from Issuance of Common Stock | $ 400,100,000 |  |

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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 The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + Details
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- Definition The amount of loss reclassified into earnings in the period when cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + Details
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