CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 212,189	$ 391,781
Restricted cash	2,143	417
Accounts receivable, net of allowance for credit losses of $8,728 and $9,239 as of September 30, 2023 and December 31, 2022, respectively	99,867	86,537
Prepaid expenses and other current assets	41,201	23,747
Assets held for sale	0	30,984
Total current assets	355,400	533,466
Operating lease right of use assets (Note 10)	4,386	1,604
Property and equipment, net (Note 6)	123,468	126,499
Contract acquisition costs	35,953	43,804
Intangible assets, net (Note 5)	64,781	78,103
Goodwill (Note 5)	283,759	296,214
Deferred tax assets	4,486	4,423
Investment in joint venture (Note 17)	0	2,264
Other assets	1,212	2,563
Total assets	873,445	1,088,940
Current liabilities:
Accounts payable	14,098	25,303
Accrued expenses and other current liabilities (Note 7)	123,132	129,244
Deferred revenue (Note 2)	96,783	84,494
Convertible senior notes (Note 8)	72,245	0
Operating lease liabilities (Note 10)	2,194	2,160
Liabilities associated with assets held for sale	0	10,357
Total current liabilities	308,452	251,558
Deferred revenue, net of current portion (Note 2)	393	174
Convertible senior notes, net of current portion (Note 8)	511,055	737,423
Operating lease liabilities, net of current portion (Note 10)	2,932	682
Deferred tax liabilities	2,762	2,550
Other liabilities	2,770	28,465
Total liabilities	828,364	1,020,852
Commitments and contingencies (Note 12)
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, 81,190,772 and 78,350,984 shares issued, 78,424,699 and 75,584,911 shares outstanding as of September 30, 2023 and December 31, 2022, respectively	81	78
Additional paid-in capital	872,958	771,052
Treasury stock - 2,766,073 shares at September 30, 2023 and December 31, 2022	(3)	(3)
Accumulated deficit	(816,372)	(692,362)
Accumulated other comprehensive loss	(11,583)	(10,677)
Total stockholders’ equity	45,081	68,088
Total liabilities and stockholders’ equity	$ 873,445	$ 1,088,940