Non-Covered Loans And Leases (Schedule Of Major Types Of Non-Covered Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Non-Covered Loans And Leases [Abstract]
Commercial real estate, Term & multifamily	$ 3,707,084	$ 3,558,295
Commercial real estate, Construction & development	174,554	165,066
Commercial real estate, Residential development	64,158	90,073
Commercial, Term	755,255	625,766
Commercial, LOC & other	865,851	832,999
Residential, Mortgage	391,370	315,927
Residential, Home equity loans & lines	264,379	272,192
Consumer & other	37,874	38,860
Total, Non-covered loans and leases	6,260,525	5,899,178	5,839,364
Deferred loan fees, net	(12,100)	(11,080)	(11,300)
Total loans and leases	$ 6,248,425	$ 5,888,098