Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Company's Purchased Intangible Assets

The following table presents the Company’s purchased intangible assets as of June 30, 2015 (in thousands):

	Gross Intangibles		Accumulated Amortization			Net Intangibles		Weighted Average Amortization Period (years)
Customer relationships	$	99,268	$	(52,982	)	$	46,286		8
Trade name		11,600		(4,791	)		6,809		8
Non-compete agreements		1,201		(1,201	)		—		2
Proprietary software		850		(850	)		—		2
Favorable lease agreement		449		(449	)		—		2
	$	113,368	$	(60,273	)	$	53,095		8

The following table presents the Company’s purchased intangible assets as of December 31, 2014 (in thousands):

	Gross Intangibles		Accumulated Amortization			Net Intangibles		Weighted Average Amortization Period (years)
Customer relationships	$	100,719	$	(47,571	)	$	53,148		8
Trade name		11,600		(4,128	)		7,472		8
Non-compete agreements		1,209		(1,209	)		—		2
Proprietary software		850		(850	)		—		2
Favorable lease agreement		449		(449	)		—		2
	$	114,827	$	(54,207	)	$	60,620		8

Estimated Future Amortization Expense

The Company’s estimated future amortization expense for the succeeding years relating to the purchased intangible assets resulting from acquisitions completed prior to June 30, 2015, is as follows (in thousands):

Years Ending December 31,	Amount
2015 (remaining six months)	$	6,836
2016		13,702
2017		13,702
2018		7,509
2019		6,917
2020		4,429
2021 and thereafter		—