Property and Equipment, net (Tables)

6 Months Ended

Jun. 30, 2018

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment, net consist of the following:

	Estimated useful lives	As of
	(Years)	June 30, 2018			December 31, 2017
Owned Assets:
Network equipment and computers	3-5	$	77,183		$	77,587
Software	3-5	63,827			59,325
Leasehold improvements	3-8	37,506			38,857
Office furniture and equipment	3-8	19,823			19,667
Motor vehicles	2-5	597			638
Buildings	30	1,162			1,245
Land	—	760			815
Capital work in progress	—	8,402			9,184
		209,260			207,318
Less: Accumulated depreciation and amortization		(143,553		)	(141,059		)
		$	65,707		$	66,259
Assets under capital leases:
Leasehold improvements		$	812		$	941
Office furniture and equipment		77			167
Motor vehicles		612			710
		1,501			1,818
Less: Accumulated depreciation and amortization		(1,096		)	(1,320		)
		$	405		$	498
Property and equipment, net		$	66,112		$	66,757

The depreciation and amortization expense excluding amortization of acquisition-related intangibles recognized in the unaudited consolidated statements of income was as follows:

	Three months ended June 30,				Six months ended June 30,
	2018		2017		2018		2017
Depreciation and amortization expense	$	6,821	$	6,028	$	13,378	$	11,902

Internally developed software costs, included under Software, was as follows:

	As of
	June 30, 2018		December 31, 2017
Cost	$	7,625	$	2,571
Less : Accumulated amortization	1,448		976
	$	6,177	$	1,595