Basis of Presentation - Additional Information (Details) $ / shares in Units, $ in Thousands			9 Months Ended	12 Months Ended
	Aug. 16, 2016 USD ($) $ / shares shares	Jul. 25, 2016	Dec. 31, 2014 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Basis Of Presentation [Line Items]
Reverse stock split of common stock		0.74
Repayments of outstanding borrowings			$ 1,575	$ 0	$ 0
Offering expenses			$ 0	$ 2,719	$ 0
2014 Senior Secured Term Loan Facility
Basis Of Presentation [Line Items]
Repayments of outstanding borrowings	$ 175,000
Initial Public Offering
Basis Of Presentation [Line Items]
Shares issued and sold, price per share | $ / shares	$ 23.00
Shares issued and sold | shares	8,050,000
Net proceeds from issuance IPO	$ 173,600
Offering expenses	$ 2,700
Exercise of Underwriters' Option
Basis Of Presentation [Line Items]
Shares issued and sold | shares	1,050,000