Income Taxes (Details) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Income Taxes [Abstract]
Current federal and state income tax expense	$ 628,000	$ 224,000
Deferred tax liabilities	13,900,000		14,800,000
Deferred income tax benefit	$ 478,000	$ 0