XML 45 R43.htm IDEA: XBRL DOCUMENT v2.4.0.6
Investment Securities (Schedule Of Fair Value And Unrealized Losses Of Securities) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Investment Holdings [Line Items]    
Available-for-sale Securities, Less than 12 Months, Fair Value $ 648,581 $ 489,991
Available-for-sale Securities, Less than 12 Months, Unrealized Losses 5,962 3,173
Available-for-sale Securities, 12 Months or Longer, Fair Value 128,428 52,441
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses 1,414 808
Available-for-sale Securities, Fair Value 777,009 542,432
Available-for-sale Securities, Unrealized Losses 7,376 3,981
Held-to-maturity Securities, 12 Months or Longer, Fair Value 631 602
Held-to-maturity Securities, 12 Months or Longer, Unrealized Losses 100 77
Held-to-maturity Securities, Fair Value 631 602
Held-to-maturity Securities, Unrealized Losses 100 77
U.S. Treasury And Agencies [Member]
   
Investment Holdings [Line Items]    
Available-for-sale Securities, 12 Months or Longer, Fair Value 65 85
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses 1 1
Available-for-sale Securities, Fair Value 65 85
Available-for-sale Securities, Unrealized Losses 1 1
Obligations Of States And Political Subdivisions [Member]
   
Investment Holdings [Line Items]    
Available-for-sale Securities, Less than 12 Months, Fair Value 6,420 516
Available-for-sale Securities, Less than 12 Months, Unrealized Losses 11 13
Available-for-sale Securities, Fair Value 6,420 516
Available-for-sale Securities, Unrealized Losses 11 13
Residential Mortgage-Backed Securities And Collateralized Mortgage Obligations [Member]
   
Investment Holdings [Line Items]    
Available-for-sale Securities, Less than 12 Months, Fair Value 642,161 489,475
Available-for-sale Securities, Less than 12 Months, Unrealized Losses 5,951 3,160
Available-for-sale Securities, 12 Months or Longer, Fair Value 128,363 52,222
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses 1,413 790
Available-for-sale Securities, Fair Value 770,524 541,697
Available-for-sale Securities, Unrealized Losses 7,364 3,950
Held-to-maturity Securities, 12 Months or Longer, Fair Value 631 602
Held-to-maturity Securities, 12 Months or Longer, Unrealized Losses 100 77
Held-to-maturity Securities, Fair Value 631 602
Held-to-maturity Securities, Unrealized Losses 100 77
Other Debt Securities [Member]
   
Investment Holdings [Line Items]    
Available-for-sale Securities, 12 Months or Longer, Fair Value   134
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses   17
Available-for-sale Securities, Fair Value   134
Available-for-sale Securities, Unrealized Losses   $ 17