Property, Plant and Equipment

9 Months Ended

Sep. 30, 2017

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

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

Capital work in progress represents advances paid towards acquisition of property, plant and equipment and cost of property, plant and equipment and internally generated software costs not yet ready to be placed in service.

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