Accrued expenses and other current liabilities (Tables)

12 Months Ended

Dec. 31, 2017

Accounts Payable and Accrued Liabilities, Current [Abstract]

Schedule of Accrued Liabilities and Other Current Liabilities

Accrued expenses and other current liabilities consists of the following:

	As of
	December 31, 2017		December 31, 2016
Accrued expenses	$	43,235	$	30,690
Derivative instruments	555		1,430
Client liability account	8,982		4,005
Others	8,594		7,139
Accrued expenses and other current liabilities	$	61,366	$	43,264