Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Current federal and state income tax expense	$ 244	$ 628
Deferred tax liabilities	824		2,000
Deferred income tax benefit	$ 1,135	$ 478