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Components of Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Line Items]
Current									$ 2,055	$ 2,037
Deferred									200	(478)
Totals	$ 534	$ 653	$ 557	$ 511	$ 551	$ 218	$ 427	$ 363	$ 2,255	$ 1,559

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.