Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 131,154	$ 122,006
Accounts receivable	221,764	195,782
Allowance for doubtful accounts	(6,396)	(5,759)
Prepaid income taxes	32,108	3,535
Prepaid and other current assets	26,864	24,694
Total current assets	405,494	340,258
Property and equipment, net	31,439	28,414
Operating lease right-of-use assets	52,599	46,128
Intangible assets, net	262,234	45,627
Goodwill	1,593,670	581,174
Investments	6,870	5,691
Deferred income taxes	54,705	39,224
Other assets	47,104	39,519
Total assets	2,454,115	1,126,035
Current liabilities:
Accounts payable	14,891	16,492
Accruals and other current liabilities	314,529	226,793
Deferred revenues	215,678	202,294
Operating lease liabilities	18,694	16,610
Income taxes payable	5,761	3,366
Total current liabilities	569,553	465,555
Long-term debt	1,269,842	246,000
Long-term operating lease liabilities	35,968	31,767
Deferred revenues	7,308	7,020
Deferred income taxes	70,683	10,849
Income taxes payable	7,613	7,883
Other liabilities	21,334	15,362
Total liabilities	1,982,301	784,436
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.01 par value, authorized 100,000,000 shares; none issued or outstanding as of June 30, 2021 and December 31, 2020	0	0
Class A Common Stock, $0.01 par value, authorized 100,000,000 shares; issued and outstanding 11,601,757 shares as of June 30, 2021 and December 31, 2020, and Class B Common Stock, $0.01 par value, authorized 1,800,000,000 shares; issued and outstanding 269,587,370 and 260,552,747 shares as of June 30, 2021 and December 31, 2020, respectively	2,812	2,722
Additional paid-in capital	910,951	741,113
Accumulated other comprehensive loss	(54,886)	(26,233)
Accumulated deficit	(387,063)	(376,003)
Total stockholders’ equity	471,814	341,599
Total liabilities and stockholders’ equity	$ 2,454,115	$ 1,126,035