CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 362,025	$ 199,449
Restricted cash	2,400	0
Time deposits	403	30,181
Accounts receivable, net of allowance of $1,434 and $1,729, respectively	199,982	174,617
Unbilled revenues	63,325	95,808
Prepaid and other assets, net of allowance of $644 and $0, respectively	15,690	14,344
Employee loans, net of allowance of $0 and $0, respectively	2,726	2,689
Deferred tax assets	0	11,847
Total current assets	646,551	528,935
Property and equipment, net	73,616	60,499
Restricted cash	239	238
Employee loans, net of allowance of $0 and $0, respectively	3,252	3,649
Intangible assets, net	51,260	46,860
Goodwill	109,289	115,930
Deferred tax assets	31,005	18,312
Other long-term assets, net of allowance of $132 and $0, respectively	10,599	4,113
Total assets	925,811	778,536
Current liabilities
Accounts payable	3,213	2,576
Accrued expenses and other liabilities	49,895	63,796
Due to employees	32,203	26,703
Deferred compensation due to employees	5,900	5,364
Taxes payable	25,008	29,472
Total current liabilities	116,219	127,911
Long-term debt	25,048	35,000
Other long-term liabilities	3,132	2,402
Total liabilities	144,399	165,313
Commitments and contingencies (Note 16)
Stockholders’ equity
Common stock, $0.001 par value; 160,000,000 authorized; 51,117,422 and 50,177,044 shares issued, 51,097,687 and 50,166,537 shares outstanding at December 31, 2016 and December 31, 2015, respectively	50	49
Additional paid-in capital	374,907	303,363
Retained earnings	444,320	345,054
Treasury stock	(177)	(93)
Accumulated other comprehensive loss	(37,688)	(35,150)
Total stockholders’ equity	781,412	613,223
Total liabilities and stockholders’ equity	$ 925,811	$ 778,536