CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 166,349	$ 155,950
Accounts receivable, net	640,098	599,565
Prepaid expenses and other current assets	18,614	10,298
TOTAL CURRENT ASSETS	825,061	765,813
Property and equipment, net	29,402	17,405
Deferred income taxes	3,359	3,359
Other assets, non-current	15,891	10,587
TOTAL ASSETS	873,713	797,164
Current liabilities:
Accounts payable	493,284	490,377
Accrued expenses and other current liabilities	35,927	28,155
TOTAL CURRENT LIABILITIES	529,211	518,532
Debt, net		27,000
Other liabilities, non-current	7,488	6,049
TOTAL LIABILITIES	536,699	551,581
Commitments and contingencies (Note 9)
STOCKHOLDERS’ EQUITY
Preferred stock, par value $0.000001; 100,000 shares authorized, zero shares issued and outstanding as of September 30, 2018 and December 31, 2017
Common stock, par value $0.000001; 1,000,000 Class A shares authorized as of September 30, 2018 and December 31, 2017; 35,734 and 32,486 shares issued and outstanding as of September 30, 2018 and December 31, 2017, respectively; 95,000 Class B shares authorized as of September 30, 2018 and December 31, 2017; 7,451 and 9,155 shares issued and outstanding as of September 30, 2018 and December 31, 2017, respectively	0	0
Additional paid-in capital	252,329	209,603
Retained earnings	84,685	35,980
TOTAL STOCKHOLDERS’ EQUITY	337,014	245,583
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 873,713	$ 797,164