Loss Per Share - Antidilutive Securities (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive restricted and performance stock units (in shares)	10,884	1,388	6,947	1,191
Anti-dilutive restricted and performance stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive restricted and performance stock units (in shares)	1,440	1,388	1,400	1,191
Anti-dilutive Series A Preferred Stock convertible into common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive restricted and performance stock units (in shares)	9,444	0	5,547	0