Restructuring Costs and Other Transactions - Changes in Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Restructuring Reserve [Roll Forward]
Net charges	$ 12,665	$ 4,705	$ 18,653	$ 29,208
TrueReal Restructuring
Restructuring Reserve [Roll Forward]
Liability, beginning of period			8,165	0
Net charges			18,653	29,208
Payments			(13,252)	(9,442)
Non-cash			0	(15,278)
Liability, end of period	13,566	4,488	13,566	4,488
Severance and Employee Benefits | TrueReal Restructuring
Restructuring Reserve [Roll Forward]
Liability, beginning of period			6,735	0
Net charges			17,553	8,887
Payments			(11,554)	(5,001)
Non-cash			0	(593)
Liability, end of period	12,734	3,293	12,734	3,293
Other Restructuring Charges | TrueReal Restructuring
Restructuring Reserve [Roll Forward]
Liability, beginning of period			1,430	0
Net charges			1,100	20,321
Payments			(1,698)	(4,441)
Non-cash			0	(14,685)
Liability, end of period	$ 832	$ 1,195	$ 832	$ 1,195