Loans and Leases (Schedule Of Major Types Of Loans And Leases) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable Commercial Term and Multifamily	$ 3,154,853	$ 2,328,260
Commercial real estate, Owner occupied term, net	2,588,090	1,259,583
Commercial real estate, Multifamily, net	2,611,308	403,537
Commercial real estate, Construction & development, net	255,852	245,231
Commercial real estate, Residential development, net	80,008	88,413
Commercial, Term, net	1,094,407	770,845
Commercial, LOC & other, net	1,316,980	987,360
Commercial, Leases and equipment finance, net	523,114	361,591
Residential, Mortgage, net	2,217,105	597,201
Residential, Home equity loans & lines, net	835,981	264,269
Consumer & other, net	385,523	48,113
Total, Non-covered loans and leases	15,063,221	7,354,403
Loans and Leases Receivable, Gross, Carrying Amount, Covered	264,511	373,763
Total, Non-covered loans and leases	15,327,732	7,728,166
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total, Non-covered loans and leases	8,903,660	4,630,155
Non-owner Occupied Term [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	135,757	206,902
Total, Non-covered loans and leases	3,290,610	2,535,162
Owner Occupied Term [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	45,774	49,817
Total, Non-covered loans and leases	2,633,864	1,309,400
Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	27,310	37,671
Total, Non-covered loans and leases	2,638,618	441,208
Construction & Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	2,870	3,455
Total, Non-covered loans and leases	258,722	248,686
Residential Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	1,838	7,286
Total, Non-covered loans and leases	81,846	95,699
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total, Non-covered loans and leases	2,948,823	2,142,213
Term [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	8,580	15,719
Total, Non-covered loans and leases	1,102,987	786,564
LOC & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	5,742	6,698
Total, Non-covered loans and leases	1,322,722	994,058
Leases and Equipment Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	0	0
Total, Non-covered loans and leases	523,114	361,591
Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total, Non-covered loans and leases	3,086,213	903,423
Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	16,630	22,316
Total, Non-covered loans and leases	2,233,735	619,517
Home Equity Loans & Lines [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	16,497	19,637
Total, Non-covered loans and leases	852,478	283,906
Consumer & Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	3,513	4,262
Total, Non-covered loans and leases	$ 389,036	$ 52,375