Property and Equipment, net (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

	Useful Lives (in years)
Assets:
Network equipment and computers	3-5
Software	3-5
Leasehold improvements	3-8
Office furniture and equipment	3-8
Motor vehicles	2-5
Buildings	30

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

	As of
	December 31, 2018			December 31, 2017
Cost	$	8,783		$	2,571
Less : Accumulated amortization	(2,393		)	(976		)
	$	6,390		$	1,595

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

	Year ended December 31,
	2018		2017		2016
Depreciation and amortization expense	$	28,189	$	24,574	$	22,707

The amortization expense on internally developed software recognized in the consolidated statements of income was as follows:

	Year ended December 31,
	2018		2017		2016
Amortization expense	$	1,417	$	640	$	336

Property and equipment, net consist of the following:

		As of
	Estimated useful lives (Years)	December 31, 2018			December 31, 2017
Owned Assets:
Network equipment and computers	3-5	$	85,921		$	77,587
Software	3-5	69,752			59,325
Leasehold improvements	3-8	39,533			38,857
Office furniture and equipment	3-8	20,097			19,667
Motor vehicles	2-5	635			638
Buildings	30	1,140			1,245
Land	—	746			815
Capital work in progress	—	11,026			9,184
		228,850			207,318
Less: Accumulated depreciation and amortization		(155,798		)	(141,059		)
		$	73,052		$	66,259
Assets under capital leases:
Leasehold improvements		$	778		$	941
Office furniture and equipment		53			167
Motor vehicles		628			710
		1,459			1,818
Less: Accumulated depreciation and amortization		(1,001		)	(1,320		)
		$	458		$	498
Property and equipment, net		$	73,510		$	66,757