Equity Compensation Plans - Summary of Unvested PSU Activity (Details) - $ / shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Performance Shares
Total Number of Units (in thousands)
Unvested at beginning balance (in Shares)	1,218,000
Granted (in Shares)	0
Vested (in Shares)	0
Forfeited (in Shares)	(47,000)
Unvested at ending balance (in Shares)	1,171,000
Weighted Average Grant Date Fair Value per Unit
Unvested at beginning balance (in Dollars per share)	$ 0
Granted (in Dollars per share)	0
Vested (in Dollars per share)	0
Forfeited (in Dollars per share)	4.06
Unvested at ending balance (in Dollars per share)	$ 3.99
Performance Shares, Vesting Subject to Performance Conditions
Total Number of Units (in thousands)
Unvested at beginning balance (in Shares)	964,000
Granted (in Shares)	0
Vested (in Shares)	0
Forfeited (in Shares)	(47,000)
Unvested at ending balance (in Shares)	917,000
Weighted Average Grant Date Fair Value per Unit
Unvested at beginning balance (in Dollars per share)	$ 4.06
Granted (in Dollars per share)	4.06
Vested (in Dollars per share)	0
Unvested at ending balance (in Dollars per share)	$ 4.06
Performance Shares, Vesting Subject to Market Conditions
Total Number of Units (in thousands)
Unvested at beginning balance (in Shares)	254,000
Granted (in Shares)	0	254,000
Vested (in Shares)	0
Forfeited (in Shares)	0
Unvested at ending balance (in Shares)	254,000
Weighted Average Grant Date Fair Value per Unit
Unvested at beginning balance (in Dollars per share)	$ 3.73
Granted (in Dollars per share)	3.73
Vested (in Dollars per share)	0
Forfeited (in Dollars per share)	0
Unvested at ending balance (in Dollars per share)	$ 3.73