Restructuring Costs and Other Charges and Credits - Changes in Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Restructuring Reserve [Roll Forward]
Net accruals	$ 7,992	$ 0	$ 24,503	$ 0
TrueReal Restructuring
Restructuring Reserve [Roll Forward]
Liability, beginning of period			0
Net accruals			24,503
Payments			(3,466)
Non-cash			(15,146)
Liability, end of period	5,891		5,891
Severance And Employee Benefits | TrueReal Restructuring
Restructuring Reserve [Roll Forward]
Liability, beginning of period			0
Net accruals			7,797
Payments			(1,166)
Non-cash			(740)
Liability, end of period	5,891		5,891
Other Restructuring | TrueReal Restructuring
Restructuring Reserve [Roll Forward]
Liability, beginning of period			0
Net accruals			16,706
Payments			(2,300)
Non-cash			(14,406)
Liability, end of period	$ 0		$ 0