CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 199,449	$ 220,534
Time deposits	30,181	0
Accounts receivable, net of allowance of $1,729 and $2,181, respectively	174,617	124,483
Unbilled revenues	95,808	55,851
Prepaid and other current assets	14,344	9,289
Employee loans, net of allowance of $0 and $0, respectively, current	2,689	2,434
Deferred tax assets, current	11,847	2,496
Total current assets	528,935	415,087
Property and equipment, net	60,499	55,134
Restricted cash, long-term	238	156
Employee loans, net of allowance of $0 and $0, respectively, long-term	3,649	4,081
Intangible assets, net	46,860	47,689
Goodwill	115,930	57,417
Deferred tax assets, long-term	18,312	11,094
Other long-term assets	4,113	3,368
Total assets	778,536	594,026
Current liabilities
Accounts payable	2,576	4,641
Accrued expenses and other liabilities	60,384	32,203
Deferred revenue, current	3,047	3,220
Due to employees	32,067	24,518
Taxes payable	29,472	24,704
Contingent consideration, current (Note 2 and 16)	0	35,524
Deferred tax liabilities, current	365	603
Total current liabilities	127,911	125,413
Long-term debt	35,000	0
Deferred tax liabilities, long-term	2,402	4,563
Total liabilities	$ 165,313	$ 129,976
Commitments and contingencies (Note 15)
Stockholders’ equity
Common stock, $0.001 par value; 160,000,000 authorized; 50,177,044 and 48,748,298 shares issued, 50,166,537 and 48,303,811 shares outstanding at December 31, 2015 and December 31, 2014, respectively	$ 49	$ 48
Additional paid-in capital	303,363	229,501
Retained earnings	345,054	260,598
Treasury stock	(93)	(4,043)
Accumulated other comprehensive loss	(35,150)	(22,054)
Total stockholders’ equity	613,223	464,050
Total liabilities and stockholders’ equity	$ 778,536	$ 594,026