Restructuring Costs and Other Charges and Credits - Changes in Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Restructuring Reserve [Roll Forward]
Net charges	$ 4,705	$ 0	$ 29,208	$ 0
TrueReal Restructuring
Restructuring Reserve [Roll Forward]
Liability, beginning of period			0
Net charges			29,208
Payments			(9,442)
Non-cash			(15,278)
Liability, end of period	4,488		4,488
Severance and Employee Benefits | TrueReal Restructuring
Restructuring Reserve [Roll Forward]
Liability, beginning of period			0
Net charges			8,887
Payments			(5,001)
Non-cash			(593)
Liability, end of period	3,293		3,293
Other Restructuring | TrueReal Restructuring
Restructuring Reserve [Roll Forward]
Liability, beginning of period			0
Net charges			20,321
Payments			(4,441)
Non-cash			(14,685)
Liability, end of period	$ 1,195		$ 1,195