Goodwill And Intangible Assets (Schedule Of Activity In Goodwill And Core Deposit Intangibles) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Goodwill, Beginning Balance	$ 72,334,000
Goodwill, Ending Balance	72,334,000
Amortization of intangibles	112,000	1,754,000
Total Goodwill and Core Deposit Intangibles, Beginning Balance	72,671,000
Total Goodwill and Core Deposit Intangibles, Ending Balance	72,559,000
Core deposit intangibles, useful life	6 years
Core Deposits [Member]
Core Deposit Intangibles, Beginning Balance	337,000
Amortization of intangibles	112,000
Core Deposit Intangibles, Ending Balance	225,000
Expected amortization expense per quarter for next two quarters of fiscal year	$ 113,000