Commitments and Contingencies - Additional Information (Details) - Brazil $ in Millions	2 Months Ended
Jan. 31, 2011 USD ($) assessment	Dec. 31, 2016 USD ($)	Dec. 31, 2014 USD ($)
Commitments And Contingencies [Line Items]
Number of tax assessments \| assessment	2
Value of assessments served on Brazilian subsidiary	$ 13.0
Court deposit		$ 8.8	$ 8.8

Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment in the future.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_DepositsAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant