Basis of Presentation - Additional Information (Details) $ / shares in Units, $ in Thousands		3 Months Ended
	Mar. 22, 2017 USD ($) $ / shares shares	Mar. 31, 2017 USD ($) $ / shares	Mar. 31, 2016 USD ($)	Dec. 31, 2016 $ / shares	Sep. 30, 2013 $ / shares
Subsidiary, Sale of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares		$ 0.001		$ 0.001	$ 0.001
Proceeds from issuance of common stock		$ 185,500	$ 0
Repayment of outstanding borrowings	$ 71,800	$ 161,669	$ 4,019
Stock split ratio	1.45
IPO
Subsidiary, Sale of Stock [Line Items]
Shares of common stock sold, including shares sold by third parties (in shares) | shares	25,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.001
Stock price (in dollars per share) | $ / shares	$ 14.00
Proceeds from issuance of common stock	$ 170,100
Payment of underwriting discounts and commissions	10,900
Payments of stock issuance costs, other	$ 4,500
IPO Sold By Company
Subsidiary, Sale of Stock [Line Items]
Shares of common stock sold, including shares sold by third parties (in shares) | shares	13,250,000
IPO - Shares From Existing Shareholders
Subsidiary, Sale of Stock [Line Items]
Shares of common stock sold, including shares sold by third parties (in shares) | shares	11,750,000