Stock-Based Compensation - Performance-based Awards (Details) - USD ($) $ in Thousands	3 Months Ended										12 Months Ended
	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs Granted (in shares)											2,208,000
Performance-based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense											$ 50,300	$ 17,200
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs Granted (in shares)											2,208
Vested (in shares)											2,117
Restricted stock units | Fair Market Value
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs Granted (in shares)	205,000	7,000	279,000	22,000	27,000	21,000	436,000		188,000
Vested (in shares)			10,000	2,000	17,000	21,000	408,000		81,000
Restricted stock units | Monte-Carlo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs Granted (in shares)	20,000		125,000	32,000			300,000	50,000		300,000
Vested (in shares)				19,000			289,000	50,000		300,000
Employee and non-employee stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)											391,000
Stock-based compensation expense											$ 115,219	$ 50,171	$ 28,624
Employee and non-employee stock options | Black-Scholes Merton
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)		29,000			10,000		129,000
Options Vested (in shares)					10,000		129,000
Employee and non-employee stock options | Monte-Carlo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)		163,000	150,000				150,000			200,000
Options Vested (in shares)							130,000			200,000