Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Deferred tax liabilities	$ 256		$ 256		$ 2,000
Income tax expense (benefit)	(839)	(7)	(1,730)	143
Deferred income tax expense (benefit)	(568)	(238)	(1,704)	(717)
Current federal and state income tax expense (benefit)	$ (271)	$ 231	$ (26)	$ 860