Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 990,463	$ 968,691
Restricted cash	2,900	2,900
Accounts receivable, net	74,399	68,729
Prepaid expenses and other current assets	55,618	46,048
Total current assets	1,123,380	1,086,368
Property and equipment, net	22,693	23,057
Goodwill	261,116	261,116
Intangible assets, net	34,443	36,919
Capitalized software, net	25,944	19,800
Operating lease right-of-use assets	27,883	27,712
Deferred tax assets, net	13,344	13,117
Other assets	2,171	2,025
Total assets	1,510,974	1,470,114
Current liabilities
Accounts payable	15,101	10,291
Accrued expenses and other current liabilities	34,944	37,692
Current portion of debt	7,029	7,029
Operating lease liabilities, current	5,975	4,539
Total current liabilities	63,049	59,551
Debt, net	658,883	659,888
Operating lease liabilities, net of current portion	33,705	33,467
Other liabilities	6,278	5,849
Total liabilities	761,915	758,755
Commitments and contingencies (Note 8)
Stockholders' equity
Preferred stock, $0.0001 par value; 50,000 shares authorized and zero shares issued and outstanding at March 31, 2021 and December 31, 2020
Common stock, $0.0001 par value; Class A: 2,000,000 shares authorized, 69,043 and 63,071 shares issued and outstanding at March 31, 2021 and December 31, 2020, respectively; and Class B: 1,000,000 shares authorized, 323,414 and 328,589 shares issued and outstanding at March 31, 2021 and December 31, 2020, respectively	39	39
Additional paid-in capital	2,137,805	2,101,773
Accumulated deficit	(1,388,785)	(1,390,453)
Total stockholders' equity	749,059	711,359
Total liabilities and stockholders' equity	$ 1,510,974	$ 1,470,114