Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Stock-Based Compensation - Performance-based Awards (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019
Fair Market Value
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Valuation Method	Fair Market Value	Fair Market Value	Fair Market Value	Fair Market Value	Fair Market Value		Fair Market Value
Black-Scholes Merton
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Valuation Method			Black-Scholes-Merton		Black-Scholes-Merton
Monte-Carlo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Valuation Method	Monte-Carlo Simulation	Monte-Carlo Simulation			Monte-Carlo Simulation	Monte-Carlo Simulation		Monte-Carlo Simulation
Performance-based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 11,000				$ 1,400
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs Granted (in shares)	1,180
Vested (in shares)	632
Restricted stock units \| Fair Market Value
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs Granted (in shares)	279	22	27	21	436		188
Vested (in shares)	10	2	5		9		81
Restricted stock units \| Monte-Carlo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs Granted (in shares)	125	32			300	50		300
Vested (in shares)		6			150	38		260
Employee and non-employee stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	150
RSUs Granted (in shares)	1,180
Stock-based compensation expense	$ 23,232				$ 7,417
Employee and non-employee stock options \| Black-Scholes Merton
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)			10		129
Options Vested (in shares)			10
Employee and non-employee stock options \| Monte-Carlo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	150				150			200
Options Vested (in shares)					75			169