Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net loss	$ (75,424)	$ (87,046)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	19,515	18,069
Amortization of deferred contract costs	43,863	34,482
Stock-based compensation	70,264	72,928
Allowance for credit losses	1,026	1,309
Accretion of marketable securities	(6,651)	(5,323)
Non-cash operating lease expense	3,641	4,468
Unrealized loss on strategic investments	10,311	1,793
Other	1,319	931
Changes in operating assets and liabilities:
Accounts receivable	10,364	20,363
Prepaid expenses and other assets	(5,508)	(3,628)
Deferred contract costs	(46,626)	(45,205)
Accounts payable, accrued expenses and other liabilities	5,962	(7,102)
Content costs payable	(3,978)	505
Operating lease liabilities	(4,523)	(5,168)
Deferred revenue	19,906	3,887
Net cash provided by operating activities	43,461	5,263
Cash flows from investing activities:
Purchases of marketable securities	(239,783)	(225,536)
Proceeds from maturities of marketable securities	265,350	231,300
Purchases of property and equipment	(1,116)	(435)
Capitalized software costs	(10,247)	(9,321)
Net cash provided by (used in) investing activities	14,204	(3,992)
Cash flows from financing activities:
Net proceeds from exercise of stock options	921	8,277
Proceeds from share purchases under employee stock purchase plan	4,533	4,757
Taxes paid related to net share settlement of equity awards	(25,363)	0
Repurchases of common stock	(141,591)	0
Net cash provided by (used in) financing activities	(161,500)	13,034
Effect of foreign exchange rates on cash flows	61	(116)
Net increase (decrease) in cash, cash equivalents and restricted cash	(103,774)	14,189
Cash, cash equivalents and restricted cash—Beginning of period	309,552	317,314
Cash, cash equivalents and restricted cash—End of period	205,778	331,503
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	204,563	327,974
Restricted cash, current	100	100
Restricted cash, non-current	1,115	3,429
Total cash, cash equivalents and restricted cash	205,778	331,503
Supplemental disclosures of cash flow information:
Interest paid	0	3,186
Income taxes paid	1,165	1,337
Supplemental disclosure of non-cash investing and financing activities:
Stock-based compensation in capitalized costs	6,953	6,966
Net change in unrealized gain (loss) on marketable securities	89	218
Operating lease right-of-use assets exchanged for operating lease liabilities	9,779	0
Accrued excise tax on share repurchases	$ 944	$ 0