Results of Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Equity Method Investments And Joint Ventures [Abstract]
Revenue	$ 2,554	[1]
Net income (loss)	(441)	[1]
Equity income (loss) excluding impairments and amortization of intangible assets	(264)	[1]
Amortization of intangible assets	(48)	[1]
Total equity income (loss)	$ (312)	[1]

[1] Includes Acquirgy, which ceased operations in 2015, and CIML, LLC (“CIML”), which ceased operations in 2014.