Long-Lived Assets - Summary of Amortizable Intangible Assets (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Impairment	$ 0	$ 3,382,000	$ 0
Amortizable intangible assets, Net Balance	25,368,000	30,333,000
Amortizable intangible assets, Accumulated Amortization	(16,158,000)	(11,623,000)
Amortizable intangible assets, Gross carrying value	41,526,000	41,956,000
Customer-related [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, Net Balance	17,918,000	20,418,000
Amortizable intangible assets, Accumulated Amortization	(7,084,000)	(4,584,000)
Amortizable intangible assets, Gross carrying value	25,002,000	25,002,000
Amortizable intangible assets, Useful Life	10 years
Acquired technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, Net Balance	2,587,000	4,541,000
Amortizable intangible assets, Accumulated Amortization	(5,865,000)	(3,911,000)
Amortizable intangible assets, Gross carrying value	8,452,000	8,452,000
Non-compete agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, Net Balance	238,000	369,000
Amortizable intangible assets, Accumulated Amortization	(2,132,000)	(2,431,000)
Amortizable intangible assets, Gross carrying value	2,370,000	2,800,000
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, Net Balance	4,625,000	5,005,000
Amortizable intangible assets, Accumulated Amortization	(1,077,000)	(697,000)
Amortizable intangible assets, Gross carrying value	5,702,000	5,702,000
Amortizable intangible assets, Useful Life	15 years
Minimum [Member] | Acquired technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, Useful Life	2 years
Minimum [Member] | Non-compete agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, Useful Life	3 years
Maximum [Member] | Acquired technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, Useful Life	4 years
Maximum [Member] | Non-compete agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, Useful Life	5 years
Software Operations [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment	0	3,400,000	0
Amortizable intangible assets, Accumulated Amortization	(16,200,000)	(11,300,000)
Amortizable intangible assets, Gross carrying value	$ 41,500,000	$ 41,500,000
Software Operations [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, Useful Life	2 years
Software Operations [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, Useful Life	15 years