Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Schedule of Property and Equipment, Estimated Useful Lives



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

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,
	2017		2016		2015
Depreciation and amortization expense	$	24,574	$	22,707	$	21,239

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



	As of
	December 31, 2017		December 31, 2016
Cost	$	2,571	$	2,242
Less : Accumulated amortization	976		336
	$	1,595	$	1,906

Property and equipment consist of the following:



		As of
	Estimated useful lives (Years)	December 31, 2017			December 31, 2016
Owned Assets:
Network equipment and computers	3-5	$	77,587		$	65,381
Software	3-5	59,325			44,617
Leasehold improvements	3-8	38,857			31,192
Office furniture and equipment	3-8	19,667			15,426
Motor vehicles	2-5	638			580
Buildings	30	1,245			1,171
Land	-	815			766
Capital work in progress	-	9,184			4,964
		207,318			164,097
Less: Accumulated depreciation and amortization		(141,059		)	(115,568		)
		$	66,259		$	48,529
Assets under capital leases:
Leasehold improvements		$	941		$	854
Office furniture and equipment		167			133
Motor vehicles		710			810
		1,818			1,797
Less: Accumulated depreciation		(1,320		)	(1,297		)
		$	498		$	500
Property and Equipment, net		$	66,757		$	49,029

Summary of Lived Intangible Assets Amortized over their Estimated Useful Lives

The Company’s definite lived intangible assets are amortized over their estimated useful lives as listed below using a straight-line method:



Customer relationships	3-15 years
Leasehold benefits	3-8 years
Developed technology	5-10 years
Non-compete agreements	1-5 years
Trade names and trademarks	3-10 years