Equity and Equity Compensation Plans - Allocation of Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	$ 18,302	$ 18,800	$ 53,942	$ 55,382
Stock-based compensation capitalized in property and equipment	1,064	969	3,327	3,173
Continuing Operations
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	18,302	18,800	53,942	55,148
Discontinued Operations
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	0	0	0	234
Cost of revenue
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	2,819	3,037	8,603	10,173
Technology and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	9,135	8,391	26,092	24,759
Marketing
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	1,131	1,337	3,911	3,836
General and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	$ 5,217	$ 6,035	$ 15,336	$ 16,380