Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 182,855	$ 181,534
Accounts receivable, net of allowances of $8,054 and $6,759 at March 31, 2020 and December 31, 2019, respectively (includes related party receivables of $2,856 and $209 at March 31, 2020 and December 31, 2019, respectively)	40,126	44,888
Prepaid expenses	6,365	7,215
Other current assets	4,119	6,104
Total current assets	233,465	239,741
Property and equipment, net	28,704	29,797
Operating lease right-of-use assets	34,548	36,064
Goodwill	63,124	73,311
Intangible assets, net	15,713	17,260
Equity method investment	21,512	21,894
Other assets	3,691	3,620
Total assets	400,757	421,687
Current liabilities
Accounts payable (includes related party payables of $4,981 and $6,439 at March 31, 2020 and December 31, 2019, respectively)	17,687	21,336
Accrued employee expenses	2,460	5,969
Operating lease liabilities, current	5,089	5,875
Accrued expenses and other current liabilities (includes related party accrued expenses of $0 and $1,299 at March 31, 2020 and December 31, 2019, respectively)	14,460	20,990
Total current liabilities	39,696	54,170
Deferred tax liabilities	344	783
Operating lease liabilities, net of current portion	35,913	37,127
Other liabilities	2,367	2,336
Total liabilities	78,320	94,416
Commitments and contingencies (Note 7)
Stockholders’ Equity
Preferred stock — $0.0001 par value; 20,000,000 shares authorized at March 31, 2020 and December 31, 2019; no shares issued and outstanding at March 31, 2020 and December 31, 2019	0	0
Common stock — $0.0001 par value; 1,000,000,000 shares authorized at March 31, 2020 and December 31, 2019; 107,183,633 and 106,865,830 shares issued and outstanding at March 31, 2020 and December 31, 2019, respectively	11	11
Additional paid-in capital	765,157	759,322
Accumulated deficit	(442,731)	(432,062)
Total stockholders’ equity	322,437	327,271
Total liabilities and stockholders’ equity	$ 400,757	$ 421,687