Summary of Significant Accounting Principles - Components of Net Earnings Attributable to Noncontrolling Interests (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Noncontrolling Interest [Line Items]
Accretion of redeemable noncontrolling interests	$ 23,500	$ 2,200	$ 8,800
Portion of net earnings attributable to noncontrolling interests	72,400	22,900	23,600
Total	$ 95,886	$ 25,129	$ 32,400