Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Total revenue	$ 1,476,514	$ 872,000	$ 526,916
Less:
Cost of revenue	303,379	157,051	118,194
Customer acquisition costs	594,479	379,673	230,381
Depreciation and amortization expense included within operating expenses	15,350	9,515	7,474
Interest income	(10,349)	(9,029)	(2,610)
Benefit (provision) for income taxes	(54,327)	1,975	(31)
Other segment items	212,957	150,247	112,575
Net income (loss)	126,038	(23,546)	(65,678)
Adjustments and reconciling items	0	0	0
Employee Compensation
Less:
Marketing	35,672	26,530	16,503
Operations and support	73,239	48,192	25,478
Technology and development	39,565	24,322	14,750
General and administrative	48,189	40,990	27,063
Stock-Based Compensation
Less:
Marketing	9,392	5,477	4,648
Operations and support	10,205	6,815	2,684
Technology and development	12,534	7,126	4,327
General and administrative	$ 60,191	$ 46,662	$ 31,158