Equity and Equity Compensation Plans - Allocation of Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	$ 70,935	$ 68,257	$ 54,722
Stock-based compensation capitalized	4,003	3,660	4,059
Continuing Operations
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	70,701	63,019	49,545
Discontinued Operations
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	234	5,238	5,177
Operating lease cost (cost of revenue)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	12,914	15,137	12,388
Operating lease cost (cost of revenue) | Discontinued Operations
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	46	813	1,226
Technology and development(1)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	33,111	26,365	21,172
Technology and development(1) | Discontinued Operations
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	86	3,243	2,103
Marketing
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	5,148	3,991	2,142
Marketing | Discontinued Operations
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	19	102	207
General and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	19,528	17,526	13,843
General and administrative | Discontinued Operations
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation from continuing operations	$ 83	$ 1,080	$ 1,641