Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Income Taxes [Abstract]
Effective income tax rate (in hundredths)	40.70%	38.90%
Unrecognized tax benefits excluding interest	$ 137,000		$ 137,000
Unrecognized tax benefits that would impact effective tax rate	119,000		119,000
Unrecognized tax benefits that may decrease due to expirations of statute of limitations			$ 9,000