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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Loss Contingencies [Line Items]
Rent expense	$ 0.4	$ 0.6
Minimum
Loss Contingencies [Line Items]
Lease interest rate	6.60%
Maximum
Loss Contingencies [Line Items]
Lease interest rate	9.60%

X

- Definition

Capital lease interest rate.

+ References

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- Definition

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+ References

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X

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

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