Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 44,373	$ 65,662
Marketable securities	232,400	253,770
Accounts receivable, less allowance for credit losses of $2.1 million and $2.0 million as of September 30, 2023 and December 31, 2022	63,974	49,188
Inventory	1,309	1,571
Prepaid expenses	4,898	7,591
Other current assets	10,309	12,273
Total current assets	357,263	390,055
Property and equipment, net	25,689	19,079
Operating lease right-of-use assets	13,337	25,923
Investment in unconsolidated joint venture	4,205	4,068
Intangible assets, net	36,678	39,351
Goodwill	262,898	258,036
Other assets	459	413
Total assets	700,529	736,925
Current liabilities:
Accounts payable	13,326	12,437
Accrued expenses	35,113	33,430
Contract liabilities	9,659	8,509
Income taxes payable	2,956	3,956
Operating lease liabilities, current portion	6,736	5,471
Total current liabilities	67,790	63,803
Convertible notes	281,305	279,909
Operating lease liabilities, net of current portion	12,675	16,940
Deferred income taxes	363	429
Other liabilities	1,499	1,011
Total liabilities	363,632	362,092
Commitments and contingencies (Note 13)
Stockholders' equity
Preferred stock, $0.000001 par value. Authorized; 50,000,000 shares; zero shares issued and outstanding as of September 30, 2023 and December 31, 2022, respectively
Additional paid-in capital	641,607	623,081
Accumulated other comprehensive income	442	28
Accumulated deficit	(306,287)	(249,366)
Total stockholders' equity	335,762	373,743
Noncontrolling interest	1,135	1,090
Total equity	336,897	374,833
Total liabilities and stockholders' equity	700,529	736,925
Class A Common Stock
Stockholders' equity
Common stock
Class B Common Stock
Stockholders' equity
Common stock