Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 968,691	$ 26,050
Restricted cash	2,900
Accounts receivable, net	68,729	48,129
Prepaid expenses and other current assets	46,048	12,403
Total current assets	1,086,368	86,582
Property and equipment, net	23,057	1,860
Goodwill	261,116	236,225
Intangible assets, net	36,919	21,267
Capitalized software, net	19,800	5,178
Operating lease right-of-use assets	27,712	32,315
Deferred tax assets, net	13,117	2,207
Other assets	2,025	1,162
Total assets	1,470,114	386,796
Current liabilities
Accounts payable	10,291	7,851
Accrued expenses and other current liabilities	37,692	15,556
Current portion of debt	7,029	7,029
Operating lease liabilities, current	4,539	2,937
Total current liabilities	59,551	33,373
Debt, net	659,888	663,893
Operating lease liabilities, net of current portion	33,467	37,129
Other liabilities	5,849	2,974
Total liabilities	758,755	737,369
Commitments and contingencies (Note 13)
Redeemable convertible preferred stock, $0.006 par value; zero and 130,000 shares authorized at December 31, 2020 and December 31, 2019, respectively; and zero and 126,046 shares issued and outstanding at December 31, 2020 and December 31, 2019, respectively		737,009
Stockholders' equity (deficit)
Preferred stock, $0.0001 par value; 50,000 and zero shares authorized at December 31, 2020 and December 31, 2019, respectively; and zero shares issued and outstanding at December 31, 2020 and December 31, 2019
Additional paid-in capital	2,101,773	8,788
Accumulated deficit	(1,390,453)	(1,096,830)
Total stockholders' equity (deficit)	711,359	(1,087,582)
Total liabilities, redeemable convertible preferred stock and stockholders' equity (deficit)	1,470,114	386,796
Common Stock
Stockholders' equity (deficit)
Common stock		460
Total stockholders' equity (deficit)		$ 460
Class A and Class B Common Stock
Stockholders' equity (deficit)
Common stock	39
Total stockholders' equity (deficit)	$ 39