Available-For-Sale And Held-To-Maturity Securities (Schedule Of Gross Unrealized Losses And The Estimated Fair Value By Length Of Time In A Loss Position) (Details) - Jun. 30, 2015 - USD ($) $ in Thousands	Total
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Less than 12 months	$ (2,040)
Less than 12 months	144,846
12 months or more	(3,880)
12 months or more	130,861
Total	(5,920)
Total	275,707
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(50)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	9,709
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(3,364)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	121,412
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Total	(3,414)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total	131,121
U.S. Government Agency Securities [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Less than 12 months	(1)
Less than 12 months	483
Total	(1)
Total	483
State And Municipal Securities [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Less than 12 months	(814)
Less than 12 months	36,500
12 months or more	(1,693)
12 months or more	35,562
Total	(2,507)
Total	72,062
Mortgage-backed Securities: Agency [Member] | Mortgage-backed securities [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Less than 12 months	(4)
Less than 12 months	2,047
12 months or more	(414)
12 months or more	8,997
Total	(418)
Total	11,044
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(27)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	2,552
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Total	(27)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total	2,552
Mortgage-backed Securities: Commercial [Member] | Mortgage-backed securities [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Less than 12 months	(4)
Less than 12 months	2,099
Total	(4)
Total	2,099
Mortgage-backed Securities: Non-Agency [Member] | Mortgage-backed securities [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Less than 12 months	(39)
Less than 12 months	2,729
Total	(39)
Total	2,729
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(2)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	569
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(12)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	391
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Total	(14)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total	960
Corporate Fixed Income Securities [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Less than 12 months	(793)
Less than 12 months	34,912
Total	(793)
Total	34,912
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(641)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	49,551
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Total	(641)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total	49,551
Asset-Backed Securities [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Less than 12 months	(385)
Less than 12 months	66,076
12 months or more	(1,773)
12 months or more	86,302
Total	(2,158)
Total	152,378
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(48)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	9,140
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(2,684)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	68,918
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Total	(2,732)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total	$ 78,058