Discontinued Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net loss from discontinued operations	$ 0	$ (146)	$ 0	$ (3,634)
Net loss from discontinued operations per share - basic (in USD per share)		$ 0.00		$ (0.03)
Net loss from discontinued operations per share - diluted (in USD per share)		$ 0.00		$ (0.03)
Restructuring charges	$ (1,334)	$ (6,106)	(2,223)	$ (7,159)
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		10,998		122,576
Cost of revenue		10,913		124,422
Gross profit		85	(1,846)
Technology and development		23		552
Marketing		18		523
General and administrative		115		638
Restructuring and reorganization		75		75
Total operating expenses		231	1,788
Loss from discontinued operations		(146)	(3,634)
Interest income, interest expense, income tax expense, and other expense, net		0		0
Net loss from discontinued operations		(146)	$ (3,634)
Stock-based compensation				234
Depreciation and amortization				89
Restructuring charges				(74)
Restructuring and related cost, cost incurred to date		(8,671)		(8,671)
Discontinued Operations, Disposed of by Means Other than Sale | Properties segment | Employee termination costs
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring charges				(539)
Restructuring and related cost, cost incurred to date		(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 charges				0
Restructuring and related cost, cost incurred to date		(493)		(493)
Discontinued Operations, Disposed of by Means Other than Sale | Properties segment | Other
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring charges				(465)
Restructuring and related cost, cost incurred to date		(890)		(890)
Discontinued Operations, Disposed of by Means Other than Sale | Properties segment | Acceleration of debt issuance costs
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring charges				0
Restructuring and related cost, cost incurred to date		$ (481)		$ (481)