Stockholders’ Equity - Common Stock (Details) $ / shares in Units, $ in Thousands			3 Months Ended	12 Months Ended
	Oct. 15, 2015 USD ($) $ / shares shares	Aug. 17, 2015 USD ($) shares	Dec. 31, 2015 USD ($) Vote / shares $ / shares shares	Dec. 31, 2015 USD ($) Vote / shares $ / shares shares	Dec. 31, 2014 $ / shares shares	Dec. 31, 2013 shares	Dec. 31, 2012 shares
Class of Stock [Line Items]
Common shares, outstanding shares (in shares) | shares			56,542,116	56,542,116	41,371,220
Common shares, authorized shares (in shares) | shares	100,000,000		100,000,000	100,000,000	100,000,000
Common shares, par value (in dollars per share) | $ / shares			$ 0.001	$ 0.001	$ 0.001
Phantom Stock Plan
Class of Stock [Line Items]
Liability settled for outstanding obligation under Phantom Stock Plan				$ 13,892
Series A Preferred Stock
Class of Stock [Line Items]
Total redemption value	$ 11,877	$ 276,688		$ 288,565
Shares redeemed | shares	2,576	62,140		64,809
Common Stock
Class of Stock [Line Items]
Shares issued (in shares) | shares				15,000,000	257,268	123,112
Common shares, outstanding shares (in shares) | shares			56,542,116	56,542,116	41,371,220	41,113,952	41,268,898
Voting rights per share | Vote / shares			1	1
Shares redeemed | shares				86,768		278,058
IPO
Class of Stock [Line Items]
Shares issued (in shares) | shares	15,000,000
Shares issued, value per share | $ / shares	$ 10.00
Deferred Offering expenses	$ 7,196
IPO | Phantom Stock Plan
Class of Stock [Line Items]
Liability settled for outstanding obligation under Phantom Stock Plan	13,268
IPO | Series A Preferred Stock
Class of Stock [Line Items]
Total redemption value	11,877
Term Loan | First Lien Credit Facility
Class of Stock [Line Items]
Repayment of outstanding term loan	112,500		$ 10,000
Term Loan | First Lien Credit Facility | IPO
Class of Stock [Line Items]
Repayment of outstanding term loan	112,500
Capital deficiency | IPO
Class of Stock [Line Items]
Deferred Offering expenses	$ 7,196