Income Taxes (Details) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Income Taxes [Abstract]
Current federal and state income tax expense	$ 859,000	$ 414,000
Deferred tax liabilities	13,600,000		14,800,000
Deferred income tax benefit	$ 717,000	$ 364,000