Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2017

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

The depreciation and amortization expense excluding amortization of acquisition-related intangibles was as follows:

	Three months ended September 30,				Nine months ended September 30,
	2017		2016		2017		2016
Depreciation and amortization expense	$	6,221	$	5,749	$	18,279	$	16,719

Software - Internally developed:
	As of
	September 30, 2017		December 31, 2016
Cost	$	2,364	$	2,242
Less : Accumulated amortization expense	791		336
	$	1,573	$	1,906

Property, Plant and Equipment consist of the following:

	Estimated useful lives	As of
	(Years)	September 30, 2017			December 31, 2016
Owned Assets:
Network equipment and computers	3-5	$	73,728		$	65,381
Software	3-5	56,369			44,617
Leasehold improvements	3-8	36,741			31,192
Office furniture and equipment	3-8	18,397			15,426
Motor vehicles	2-5	645			580
Buildings	30	1,218			1,171
Land	—	797			766
Capital work in progress	—	9,624			4,964
		197,519			164,097
Less: Accumulated depreciation and amortization		(134,245		)	(115,568		)
		$	63,274		$	48,529
Assets under capital leases:
Leasehold improvements		$	889		$	854
Office furniture and equipment		138			133
Motor vehicles		644			810
		1,671			1,797
Less: Accumulated depreciation and amortization		(1,216		)	(1,297		)
		$	455		$	500
Property, Plant and Equipment, net		$	63,729		$	49,029