Earnings Per Share - Weighted average number of shares that could dilute basic EPS (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Convertible preferred stock
Earnings Per Share [Line Items]
Antidilutive securities (in shares)	31,242	21,527	30,955	7,228
Stock options
Earnings Per Share [Line Items]
Antidilutive securities (in shares)	1,446	800	1,114	804
Restricted stock awards and restricted stock units
Earnings Per Share [Line Items]
Antidilutive securities (in shares)	3,790	1,811	3,214	1,079
Warrants | Private placement warrants
Earnings Per Share [Line Items]
Antidilutive securities (in shares)	0	2,076	0	4,789
Warrants | Public warrants
Earnings Per Share [Line Items]
Antidilutive securities (in shares)	0	3,310	0	7,636