Other Service Charges, Commissions And Fees, And Other Income (Components Of Other Income) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Other Service Charges, Commissions And Fees, And Other Income [Abstract]
Secondary mortgage market operations	$ 3,477	$ 2,569	$ 6,921	$ 5,737
Income from bank owned life insurance	3,179	1,419	6,428	4,096
Safety deposit box income	540	225	1,076	649
Letter of credit fees	1,486	377	2,590	1,009
(Loss)/gain on sale of assets	(65)	17	544	640
Accretion of indemnification asset	5,030	1,500	13,524	2,790
Other	3,026	900	5,533	2,801
Total other income	$ 16,673	$ 7,007	$ 36,616	$ 17,722