Schedule I Condensed Financial Information Parent - Balance Sheet (Parenthetical) (Details) - Common Class A [Member] - $ / shares	Dec. 31, 2017	Dec. 31, 2016	Jun. 02, 2016
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 10.00
Common stock, shares authorized	166,666,666	166,666,666
Common stock, shares, issued	78,277,669	70,271,172
Common stock, shares outstanding	78,277,669	70,271,172
Parent Company [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	166,666,666	166,666,666
Common stock, shares, issued	78,277,669	70,271,172
Common stock, shares outstanding	78,277,669	70,271,172