Property and Equipment and Long-Lived Assets - Summary of Depreciation and Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Property Plant And Equipment [Line Items]
Depreciation and amortization expense	$ 2,306	$ 1,571	$ 6,901	$ 5,175
Cost of Revenue
Property Plant And Equipment [Line Items]
Depreciation and amortization expense	183	38	549	120
Sales and Marketing
Property Plant And Equipment [Line Items]
Depreciation and amortization expense	24	29	77	33
Operations and Support
Property Plant And Equipment [Line Items]
Depreciation and amortization expense	32	52	105	142
Product Development
Property Plant And Equipment [Line Items]
Depreciation and amortization expense	1,940	1,252	5,786	3,872
General and Administrative
Property Plant And Equipment [Line Items]
Depreciation and amortization expense	$ 127	$ 200	$ 384	$ 1,008