Equity	3 Months Ended
	Mar. 31, 2020
Equity [Abstract]
Equity	EquityCommon Stock, Performance Share Units, and Stock Options. At March 31, 2020, the Company had approximately 35.8 million shares of common stock, par value $0.001 per share, issued and outstanding, including 0.2 million shares of unvested restricted stock awards, 0.2 million unvested stock options, 0.1 million unvested performance share units, and 250.0 million shares of common stock authorized. Warrants. The Company has issued approximately 4.7 million Series A warrants and 2.0 million Series B warrants that are exercisable until October 4, 2022 for one share of common stock per warrant at initial exercise prices of $41.34 and $42.03 per share, respectively, subject to adjustments pursuant to the terms of the warrants, to certain holders of general unsecured claims as defined in the Plan. The warrants contain customary anti-dilution adjustments in the event of any stock split, reverse stock split, reclassification, stock dividend or other distributions.