Goodwill (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Changes in Carrying Value of Goodwill by Reporting Unit

A summary of the changes in the carrying value of goodwill, by reporting unit, is as follows:

	CECP reporting unit
At January 1, 2011	$	2,951
Impairment loss recognized during the year		(2,951	)
At December 31, 2011, 2012 and 2013		—