Deferred Revenue from Membership Upgrades and Deferred Commission Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Movement in Deferred Revenue [Roll Forward]
Deferred revenue, beginning	$ 229,301
Revenue recognized from membership upgrades	(3,220)	$ (3,947)
Net increase (decrease) in deferred revenue	4,372	9,080
Deferred revenue, ending (a)	230,455
Deferred Commissions Expense
Movement in Deferred Sales Inducements [Roll Forward]
Deferred commission expense, beginning	53,516	53,641
Deferred commission expense	1,599	1,491
Commission expense recognized	(971)	(1,108)
Net increase in deferred commission expense	628	383
Deferred commission expense, ending	54,144	54,024
Membership Subscription
Movement in Deferred Revenue [Roll Forward]
Deferred revenue, beginning	218,164	206,625
Deferred membership upgrade revenue	2,886	7,543
Revenue recognized from membership upgrades	(3,220)	(3,947)
Net increase (decrease) in deferred revenue	(334)	3,596
Deferred revenue, ending (a)	$ 217,830	$ 210,221