Loans (Period-End Balances And Various Asset Quality Attributes By Originations Vintage For R/E Installment Loans) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	$ 15,795,709	$ 15,389,074	$ 16,197,952	[1]
Real Estate Installment Class [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	2,552,840		2,533,560
Avg orig FICO	747		745
Avg Refreshed FICO	744		742
Real Estate Installment Class [Member] | Origination Vintage Period Pre2003 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	18,623		29,998
Avg orig FICO	680		683
Avg Refreshed FICO	683		684
Real Estate Installment Class [Member] | Origination Vintage Period 2003 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	62,823		90,764
Avg orig FICO	713		718
Avg Refreshed FICO	724		728
Real Estate Installment Class [Member] | Origination Vintage Period 2004 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	47,502		61,949
Avg orig FICO	700		702
Avg Refreshed FICO	699		705
Real Estate Installment Class [Member] | Origination Vintage Period 2005 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	141,545		183,982
Avg orig FICO	716		717
Avg Refreshed FICO	712		712
Real Estate Installment Class [Member] | Origination Vintage Period 2006 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	156,538		197,308
Avg orig FICO	714		716
Avg Refreshed FICO	702		704
Real Estate Installment Class [Member] | Origination Vintage Period 2007 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	224,425		283,175
Avg orig FICO	724		726
Avg Refreshed FICO	709		711
Real Estate Installment Class [Member] | Origination Vintage Period 2008 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	74,106		98,690
Avg orig FICO	721		724
Avg Refreshed FICO	714		719
Real Estate Installment Class [Member] | Origination Vintage Period 2009 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	33,506		46,487
Avg orig FICO	739		746
Avg Refreshed FICO	732		740
Real Estate Installment Class [Member] | Origination Vintage Period 2010 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	113,437		138,621
Avg orig FICO	748		747
Avg Refreshed FICO	754		753
Real Estate Installment Class [Member] | Origination Vintage Period 2011 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	309,172		365,971
Avg orig FICO	760		760
Avg Refreshed FICO	759		762
Real Estate Installment Class [Member] | Origination Vintage Period 2012 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	653,179		727,688
Avg orig FICO	764		764
Avg Refreshed FICO	765		764
Real Estate Installment Class [Member] | Origination Vintage Period 2013 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	497,720		308,927
Avg orig FICO	757		759
Avg Refreshed FICO	756		758
Real Estate Installment Class [Member] | Origination Vintage Period 2014 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
R/E Installment Loans- Period End Balance	$ 220,264		$ 0
Avg orig FICO	756		0
Avg Refreshed FICO	754		0

[1] June 30, 2013 balance has been re-presented due to purchase accounting adjustments made in third quarter 2013.