Related Person Transactions - Related/Corvex (Details) - Related/Corvex $ in Millions	1 Months Ended
Aug. 31, 2016 USD ($)
Related Party Transaction [Line Items]
Reimbursement amount paid	$ 8.2
Due to related parties	$ 33.3

Carrying amount as of the balance sheet date of obligations due all related parties.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant