Income Taxes (Components Of The Federal And State Income Tax Expense) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current expense (benefit) - Federal	$ 1,125	$ (3,794)	$ 6,788	$ (877)
Current expense (benefit) - State	2,510	1,450	11,635	8,871
Total current expense (benefit)	3,635	(2,344)	18,423	7,994
Deferred expense (benefit) - Federal	872	4,357	1,876	4,778
Deferred expense (benefit) - State	(468)	(20)	120	(286)
Total deferred expense (benefit)	404	4,337	1,996	4,492
Total income tax expense	$ 4,039	$ 1,993	$ 20,419	$ 12,486