Earnings (Loss) Per Common Share - Computation of Diluted Earnings Loss Per Share (Details) - shares shares in Thousands	3 Months Ended	6 Months Ended
	Mar. 31, 2022	Jun. 30, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	55,719	55,968
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	950	1,100
Options and RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	21,596	21,859
Series A Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	933	933
Contingent shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	1,491	1,491
Convertible promissory note and interest
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	30,749	30,585