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

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Stock-Based Compensation - Restricted Stock Units (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 28,493	$ 550	$ 29,265	$ 1,692
Stock-based compensation, cost unrecognized, period for recognition			1 year 1 month 6 days
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, cost unrecognized	$ 37,100		$ 37,100
Stock-based compensation, cost unrecognized, period for recognition			2 years 4 months 24 days