Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net income (loss)	$ 3,807	$ (85,288)	$ (107,294)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	25,359	25,421	24,588
Amortization of deferred contract costs	65,540	59,654	48,161
Stock-based compensation	68,754	90,022	96,046
Allowance for credit losses	3,363	1,549	1,662
Net (accretion) amortization of marketable securities	(3,187)	(8,301)	(7,492)
Non-cash operating lease expense	3,777	4,524	5,856
Unrealized loss on strategic investments	0	10,311	1,793
Other	1,559	2,551	1,178
Changes in operating assets and liabilities:
Accounts receivable	(11,045)	2,789	10,313
Prepaid expenses and other assets	(4,042)	(4,588)	(5,831)
Deferred contract costs	(64,405)	(58,333)	(56,890)
Accounts payable, accrued expenses and other liabilities	3,303	10,050	(14,429)
Content costs payable	(4,432)	(2,671)	2,967
Operating lease liabilities	(2,472)	(5,777)	(6,768)
Deferred revenue	1,780	11,130	4,135
Net cash provided by (used in) operating activities	87,659	53,043	(2,005)
Cash flows from investing activities:
Purchases of marketable securities	(182,603)	(336,898)	(307,706)
Proceeds from maturities and sales of marketable securities	222,415	352,750	295,800
Purchases of property and equipment	(5,803)	(2,300)	(632)
Capitalized software costs	(11,880)	(12,475)	(12,434)
Payments related to asset acquisitions	(1,500)	0	0
Net cash provided by (used in) investing activities	20,629	1,077	(24,972)
Cash flows from financing activities:
Net proceeds from exercise of stock options	70	2,345	17,911
Proceeds from share purchases under employee stock purchase plan	4,175	7,054	8,044
Taxes paid related to net share settlement of equity awards	(20,306)	(30,824)	(6,760)
Repurchases of common stock and excise taxes paid	(50,965)	(150,324)	0
Payments of debt issuance costs	(1,438)	0	0
Net cash provided by (used in) financing activities	(68,464)	(171,749)	19,195
Effect of foreign exchange rates on cash flows	238	(116)	20
Net increase (decrease) in cash, cash equivalents and restricted cash	40,062	(117,745)	(7,762)
Cash, cash equivalents and restricted cash—Beginning of period	191,807	309,552	317,314
Cash, cash equivalents and restricted cash—End of period	231,869	191,807	309,552
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	231,485	190,592	305,564
Restricted cash, current	201	100	3,329
Restricted cash, non-current	183	1,115	659
Total cash, cash equivalents and restricted cash	231,869	191,807	309,552
Supplemental disclosures of cash flow information:
Interest paid	299	0	3,188
Income taxes paid	5,045	1,281	1,418
Supplemental disclosure of non-cash investing and financing activities:
Stock-based compensation in capitalized costs	6,548	8,504	9,175
Net change in unrealized gain (loss) on marketable securities	40	21	289
Increase (decrease) in purchases of property and equipment included in liabilities	(500)	630	(56)
Operating lease right-of-use assets exchanged for operating lease liabilities	1,867	9,779	0
Accrued excise tax on share repurchases	$ 117	$ 876	$ 0