Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 123,880	$ 93,094
Accounts receivable (net of allowances of $2,700 and $3,351 at December 31, 2020 and 2019, respectively)	148,003	139,514
Prepaid expenses and other current assets	26,529	20,141
Income tax receivable, net	24,664	4,488
Total current assets	323,076	257,237
Non-current assets:
Property, equipment and capitalized software, net	168,113	147,741
Operating lease right-of-use assets	35,355	45,053
Goodwill	955,881	955,881
Intangible assets, net	452,558	483,041
Other assets	36,415	19,681
Total assets	1,971,398	1,908,634
Current liabilities:
Accounts payable and accrued expenses	52,998	34,845
Accrued compensation	40,860	35,135
Other current liabilities	39,835	26,298
Deferred revenue	10,854	13,664
Credit facilities	9,800	9,800
Operating lease liabilities	5,968	8,085
Finance lease liabilities	3,963	2,533
Total current liabilities	164,278	130,360
Non-current liabilities:
Credit facilities, less current portion	877,574	883,937
Operating lease liabilities, less current portion	40,807	49,690
Finance lease liabilities, less current portion	25,759	12,266
Other liabilities	54,350	46,529
Deferred income taxes	99,916	97,693
Total liabilities	1,262,684	1,220,475
Commitments and contingencies (Note 11)
Stockholders’ equity:
Common stock	0	0
Preferred stock, $0.0001 par value, 100,000,000 shares authorized, zero shares issued and outstanding at December 31, 2020 and 2019, respectively	0	0
Additional paid-in-capital	655,444	636,461
Retained earnings	300,890	278,246
Treasury stock, at cost, 14,620,175 shares at December 31, 2020 and 2019	(199,817)	(199,817)
Other comprehensive loss, net of tax	(47,804)	(26,732)
Total stockholders’ equity	708,714	688,159
Total liabilities and stockholders’ equity	1,971,398	1,908,634
Class A Common
Stockholders’ equity:
Common stock	1	1
Class B Common
Stockholders’ equity:
Common stock	$ 0	$ 0