Equity-Based Compensation - Number and Weighted Average Grant Date Fair Value for Nonvested Stock Options Granted and Outstanding (Details) - 2017 Incentive Award Plan - $ / shares	1 Months Ended	12 Months Ended
	Oct. 31, 2017	Dec. 31, 2017
Number of Stock Options
Nonvested options outstanding (in shares)		0
Stock options granted (in shares)	5,724,896	5,725,000
Stock options vested (in shares)	(5,626,470)	(5,626,000)
Nonvested options outstanding (in shares)	98,426	99,000
Weighted Average Grant Date Fair Value
Nonvested stock options outstanding (in dollars per share)		$ 0.00
Stock options granted (in dollars per share)		5.00
Stock options vested (in dollars per share)		4.99
Nonvested stock options outstanding (in dollars per share)		$ 5.37