Interest Bearing Deposits (Interest Expense For Each Deposit Type) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Interest Bearing Deposits [Abstract]
Interest bearing demand	$ 3,056	$ 4,677	$ 4,884
Money market	17,236	26,412	26,885
Savings	356	543	572
Time, $100,000 and over	25,771	31,735	36,070
Other time less than $100,000	9,324	12,874	20,331
Interest on deposits	$ 55,743	$ 76,241	$ 88,742