Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

Compensation and Retirement Disclosure [Abstract]

Net Gratuity Cost

Net gratuity cost includes the following components:

	Three months ended September 30,						Nine months ended September 30,
	2017			2016			2017			2016
Service cost	$	491		$	402		$	1,469		$	1,203
Interest cost	166			150			494			449
Expected return on plan assets	(112		)	(104		)	(330		)	(312		)
Amortization of actuarial loss	72			23			212			67
Net gratuity cost	$	617		$	471		$	1,845		$	1,407

Change in Plan Assets

Change in Plan Assets
Plan assets at January 1, 2017	$	5,640
Actual return	341
Employer contribution	1,694
Benefits paid	(896		)
Effect of exchange rate changes	227
Plan assets at September 30, 2017	$	7,006