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Equity-Based Compensation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Employee stock-based compensation expense
Equity-based compensation capitalized	$ 0	$ 25	$ (32)	$ (159)
Equity-based compensation expense	3,414	(987)	8,347	4,860
Time-based Restricted Stock
Employee stock-based compensation expense
Equity-based compensation expense	$ 3,040	1,883	$ 7,535	5,846
Restricted Stock Units
Nonvested at beginning of period			455,452
Granted			769,750
Shares vested (including tax withholding)			(163,028)
Forfeited			(14,778)
Nonvested at end of period	1,047,396		1,047,396
Nonvested at beginning of period, Weighted average grant date fair value per share			$ 46.15
Granted, Weighted average grant date fair value per share			33.05
Shares vested (including tax withholding) , Weighted average grant date fair value per share			45.58
Forfeited, Weighted average grant date fair value per share			37.20
Nonvested at end of period, Weighted average grant date fair value per share	$ 36.73		$ 36.73
Unrecognized compensation cost	$ 30,000		$ 30,000
Period for recognition of RSU compensation expense			2 years 2 months 12 days
Performance-based Restricted Stock
Employee stock-based compensation expense
Equity-based compensation expense	$ 374	(3,582)	$ 844	(3,332)
Restricted Stock Units
Nonvested at beginning of period			139,964
Granted			205,188
Shares vested (including tax withholding)			(6,331)
Forfeited			(8,629)
Nonvested at end of period	330,192		330,192
Nonvested at beginning of period, Weighted average grant date fair value per share			$ 45.31
Granted, Weighted average grant date fair value per share			28.34
Shares vested (including tax withholding) , Weighted average grant date fair value per share			38.49
Forfeited, Weighted average grant date fair value per share			39.77
Nonvested at end of period, Weighted average grant date fair value per share	$ 35.04		$ 35.04
Unrecognized compensation cost	$ 2,900		$ 2,900
Period for recognition of RSU compensation expense			2 years
Bonus settled in shares
Employee stock-based compensation expense
Equity-based compensation expense	$ 0	$ 687	$ 0	$ 2,505