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Income Taxes - Provision (Benefit) for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Current tax expense (benefit)	$ (44)	$ 965	$ (2,607)
Deferred tax expense (benefit)	(4,776)		6,442
Income tax expense (benefit)	$ (4,820)	$ 965	$ 3,835

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.