Summary of Significant Accounting Policies - Government Grant Income (Details) - Government Assistance, CARES Act - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Unusual or Infrequent Item, or Both [Line Items]
Government grant income received	$ 7,406	$ 4,968
Government grant income recorded in other income (expense), net
Unusual or Infrequent Item, or Both [Line Items]
Government grant income received	6,552	1,310
Government grant income recorded in equity income (loss) from unconsolidated joint ventures
Unusual or Infrequent Item, or Both [Line Items]
Government grant income received	648	426
Government grant income recorded in income (loss) from discontinued operations
Unusual or Infrequent Item, or Both [Line Items]
Government grant income received	$ 206	$ 3,232