Stockholders' Equity - Common Stock (Details) $ / shares in Units, $ in Thousands					3 Months Ended	12 Months Ended
	Nov. 09, 2016 $ / shares	Oct. 15, 2015 USD ($) $ / shares shares	Sep. 03, 2015 shares	Aug. 17, 2015 USD ($)	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) Vote / shares $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 shares	May 11, 2016 USD ($) shares
Class of Stock [Line Items]
Common shares, par value (in dollars per share) | $ / shares					$ 0.001	$ 0.001	$ 0.001
Dividends, Common Stock [Abstract]
Dividends paid on common stock						$ 7,519
Cash dividend paid per common share | $ / shares						$ 0.135
Cash dividends declared per common share | $ / shares	$ 0.045					$ 0.18
Repurchase Program
Maximum value of shares authorized for repurchase under repurchase plan									$ 20,000
Maximum number of shares authorized for repurchase under repurchase program | shares									2,827,105
Shares repurchased and retired (in shares) | shares						1,439,422
Value of shares repurchased and retired						$ 6,008
Average cost of shares repurchased (in dollars per share) | $ / shares						$ 4.17
Value of remaining shares available under repurchase authorization						$ 13,992
Maximum remaining number of shares available under repurchase authorization | shares						1,387,683
Common shares, authorized shares (in shares) | shares			100,000,000		100,000,000	100,000,000	100,000,000
Phantom Stock Plan
Repurchase Program
Liability settled for outstanding obligation under Phantom Stock Plan							$ 13,892
Series A Preferred Stock
Repurchase Program
Total redemption value		$ 11,877		$ 276,688			$ 288,565
Common Stock
Class of Stock [Line Items]
Voting rights per share | Vote / shares						1
Repurchase Program
Shares repurchased and retired (in shares) | shares						1,439,422
Value of shares repurchased and retired						$ 1
Stock split			0.0455
Shares issued (in shares) | shares							15,000,000	257,268
IPO
Repurchase Program
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
Repurchase Program
Liability settled for outstanding obligation under Phantom Stock Plan		13,268
IPO | Series A Preferred Stock
Repurchase Program
Total redemption value		11,877
Term Loan | First Lien Credit Facility
Repurchase Program
Repayment of outstanding term loan		112,500			$ 10,000
Term Loan | First Lien Credit Facility | IPO
Repurchase Program
Repayment of outstanding term loan		$ 112,500
Accrued expenses
Dividends, Common Stock [Abstract]
Accrued dividend						$ 2,491