Discontinued Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net loss from discontinued operations	$ 0	$ (43,994)	$ (3,634)	$ (36,476)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	$ 0.00	$ (0.41)	$ (0.03)	$ (0.34)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	$ 0.00	$ (0.41)	$ (0.03)	$ (0.34)
Capital expenditures			$ 29	$ 28
Cash paid for interest			13,540	12,887
Stock-based compensation from continuing operations	$ 18,800	$ 18,070	55,382	51,672
Restructuring and reorganization	0	(284)	(7,159)	(18,399)
Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation from continuing operations	0	1,646	234	4,710
Cost of revenue
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation from continuing operations	3,037	4,165	10,173	10,771
Cost of revenue | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation from continuing operations	0	221	46	872
Technology and development
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation from continuing operations	8,391	6,353	24,759	20,230
Technology and development | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation from continuing operations	0	1,018	86	2,806
Marketing
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation from continuing operations	1,337	1,002	3,836	2,939
Marketing | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation from continuing operations	0	26	19	85
General and administrative
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation from continuing operations	6,035	4,904	16,380	13,022
General and administrative | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation from continuing operations	0	381	83	947
Discontinued Operations, Disposed of by Means Other than Sale | Properties segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	0	294,744	122,576	927,139
Cost of revenue(1)	0	327,331	124,422	932,072
Gross profit (loss)	0	(32,587)	(1,846)	(4,933)
Technology and development(1)	0	4,728	552	13,531
Marketing(1)	0	506	523	2,480
General and administrative(1)	0	3,030	638	9,065
Restructuring and reorganization	0	0	75	271
Total operating expenses	0	8,264	1,788	25,347
Loss from discontinued operations	0	(40,851)	(3,634)	(30,280)
Interest expense	0	(3,140)	0	(6,192)
Other expense, net	0	(3)	0	(4)
Net loss from discontinued operations	0	$ (43,994)	(3,634)	(36,476)
Amortization of debt discount and debt issuance costs			0	461
Stock-based compensation			234	4,710
Depreciation and amortization			89	1,780
Capital expenditures			0	1,213
Cash paid for interest			0	$ 5,731
Restructuring and reorganization			(74)
Employee termination costs	(8,671)		(8,671)
Discontinued Operations, Disposed of by Means Other than Sale | Properties segment | Employee Severance
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring and reorganization			(539)
Employee termination costs	(8,587)		(8,587)
Discontinued Operations, Disposed of by Means Other than Sale | Properties segment | Asset Write Offs
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring and reorganization			0
Employee termination costs	(493)		(493)
Discontinued Operations, Disposed of by Means Other than Sale | Properties segment | Other Restructuring
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring and reorganization			(465)
Employee termination costs	(890)		(890)
Discontinued Operations, Disposed of by Means Other than Sale | Properties segment | Accelerated Amortization of Debt Issuance Costs
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring and reorganization			0
Employee termination costs	$ (481)		$ (481)