Business and Basis of Presentation - Corporate Conversion (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended		6 Months Ended
	Jun. 13, 2017	Apr. 19, 2017	Mar. 31, 2017	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Apr. 12, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Cash distributions paid			$ 190,000
Common stock shares authorized (in shares)				140,000,000		140,000,000	140,000,000	140,000,000
Common stock par value (in dollars per share)				$ 0.01		$ 0.01	$ 0.01	$ 0.01
Preferred stock shares authorized (in shares)				10,000,000		10,000,000	10,000,000	10,000,000
Preferred stock par value (in dollars per share)				$ 0.01		$ 0.01	$ 0.01	$ 0.01
Common stock shares outstanding (in shares)				53,444,810		53,444,810		53,442,532
Common Stock | IPO
Class of Stock [Line Items]
Stock issued during period (in shares)		16,666,667
Shares issued (in dollars per share)		$ 19.00
Proceeds from issuance of common stock		$ 296,900
Stock issuance costs		19,800
Payments of stock issuance costs		$ 15,900
Common stock shares outstanding (in shares)		53,442,532
Successor
Class of Stock [Line Items]
Dividends paid	$ 2,700		$ 190,000	$ 2,673	$ 0	$ 192,673