Long-Lived Assets - Summary of Amortizable Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 41,578	$ 41,578
Accumulated Amortization	(26,614)	(21,880)
Net Balance	$ 14,964	19,698
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	10 years
Gross Carrying Amount	$ 25,002	25,002
Accumulated Amortization	(12,084)	(9,584)
Net Balance	12,918	15,418
Acquired technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,452	8,452
Accumulated Amortization	(8,339)	(7,741)
Net Balance	113	711
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,370	2,370
Accumulated Amortization	(2,352)	(2,242)
Net Balance	$ 18	128
Trademarks
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	6 years
Gross Carrying Amount	$ 5,754	5,754
Accumulated Amortization	(3,839)	(2,313)
Net Balance	$ 1,915	$ 3,441
Minimum | Acquired technology
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	2 years
Minimum | Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	3 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	15 years
Maximum | Acquired technology
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	4 years
Maximum | Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	5 years
Software Operations | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	2 years
Software Operations | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	15 years
Wireless Operations | Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	3 years