CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 145,957	$ 210,782
Restricted cash	0	2,143
Accounts receivable, net of allowance for credit losses of $9,356 and $9,290 as of June 30, 2024 and December 31, 2023, respectively	56,351	81,802
Prepaid expenses and other current assets (Note 1)	18,132	26,981
Total current assets	220,440	321,708
Operating lease right-of-use assets (Note 9)	260	4,135
Property and equipment, net (Note 6)	106,948	119,325
Contract acquisition costs, net	36,864	37,354
Intangible assets, net (Note 5)	52,956	61,625
Goodwill (Note 5)	280,726	285,631
Deferred tax assets	4,441	4,527
Other assets	1,133	1,208
Total assets	703,768	835,513
Current liabilities:
Accounts payable	13,878	13,555
Accrued expenses and other current liabilities (Note 7)	68,237	97,024
Deferred revenue (Note 2)	79,356	81,858
Convertible senior notes (Note 8)	0	72,393
Operating lease liabilities (Note 9)	268	2,719
Total current liabilities	161,739	267,549
Convertible senior notes, net of current portion (Note 8)	468,666	511,565
Operating lease liabilities, net of current portion (Note 9)	0	2,173
Deferred tax liabilities	3,075	2,930
Other liabilities	3,682	3,158
Total liabilities	637,162	787,375
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred stock, $0.001 par value - 5,000,000 shares authorized, none issued	0	0
Common stock, $0.001 par value - 200,000,000 shares authorized, 91,752,520 and 90,603,519 shares issued, 88,986,447 and 87,837,446 shares outstanding as of June 30, 2024 and December 31, 2023, respectively.	92	91
Treasury stock - 2,766,073 shares as of June 30, 2024 and December 31, 2023	(3)	(3)
Additional paid-in capital	927,529	913,522
Accumulated deficit	(850,824)	(856,988)
Accumulated other comprehensive loss	(10,188)	(8,484)
Total stockholders’ equity	66,606	48,138
Total liabilities and stockholders’ equity	$ 703,768	$ 835,513