Loans and Leases (Schedule Of Major Types Of Loans And Leases) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Receivables [Abstract]
Non-owner occupied term, net	$ 3,475,243	$ 3,330,442
Owner occupied term, net	2,467,995	2,599,055
Multifamily, net	2,993,203	2,858,956
Construction & development, net	521,666	463,625
Residential development, net	186,400	142,984
Term, net	1,819,664	1,508,780
LOC & other, net	1,134,045	1,116,259
Leases and equipment finance, net	1,137,732	950,588
Mortgage, net	3,094,361	2,887,971
Home equity loans & lines, net	1,079,931	1,011,844
Consumer & other, net	767,522	638,159
Total loans and leases, net of deferred fees and costs	$ 18,677,762	$ 17,508,663