Income Taxes - Net Operating Loss Carry Forward (Details) - USD ($) $ in Millions		3 Months Ended
	Apr. 21, 2020	Mar. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Market capitalization used in net operating loss analysis			$ 124.5
Annual limitation on usage of net operating losses		$ 3.0
Sale of NOLs, value	$ 11.5
Proceeds from sale of NOLs	$ 10.9
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			$ 246.0