Deferred Revenue of Membership Upgrade Sales and Deferred Commission Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Movement in Deferred Revenue
Deferred revenue, beginning	$ 229,301
Revenue recognized from membership upgrades	(13,736)	$ (16,433)	$ (14,719)
Net increase (decrease) in deferred revenue	5,934	31,148	35,313
Deferred revenue, beginning	221,498	229,301
Movement in Deferred Costs
Deferred commission expense, beginning	56,516	53,641
Deferred commission expense	6,602	7,452
Commission expense recognized	(4,969)	(4,577)
Net increase in deferred commission expense	1,633	2,875
Deferred commission expense, ending	58,149	56,516	53,641
Membership Subscriptions
Movement in Deferred Revenue
Deferred revenue, beginning	217,721	206,625
Deferred revenue, beginning		218,164
Membership upgrade sales	6,743	27,529
Revenue recognized from membership upgrades	(13,736)	(16,433)
Net increase (decrease) in deferred revenue	(6,993)	11,096
Deferred revenue, beginning	$ 211,171	$ 217,721	$ 206,625