Loans and Leases (Schedule Of Major Types Of Loans And Leases) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Receivables [Abstract]
Non-owner occupied term, net	$ 3,410,914	$ 3,330,442
Owner occupied term, net	2,584,183	2,599,055
Multifamily, net	2,885,164	2,858,956
Construction & development, net	471,007	463,625
Residential development, net	145,479	142,984
Term, net	1,620,311	1,508,780
LOC & other, net	1,114,160	1,116,259
Leases and equipment finance, net	1,000,376	950,588
Mortgage, net	2,916,924	2,887,971
Home equity loans & lines, net	1,015,138	1,011,844
Consumer & other, net	665,982	638,159
Total loans and leases, net of deferred fees and costs	$ 17,829,638	$ 17,508,663