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Securities Available For Sale (Summary Of Fair Value Of Securities With Continuous Unrealized Losses) (Details) $ in Thousands | Dec. 31, 2015 USD ($) security | Dec. 31, 2014 USD ($) security
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Schedule of Available for sale Securities [Line Items] |  |
Securities with continuous unrealized losses, Less than 12 months, Estimated Fair Value | $ 148,059 | $ 78,188
Securities with continuous unrealized losses, Less than 12 months, Number of Investments | security | 199 | 109
Securities with continuous unrealized losses, Less than 12 months, Unrealized Losses | $ 1,880 | $ 1,898
Securities with continuous unrealized losses, 12 months or longer, Estimated Fair Value | $ 38,756 | $ 42,037
Securities with continuous unrealized losses, 12 months or longer, Number of Investments | security | 71 | 75
Securities with continuous unrealized losses, 12 months or longer, Unrealized Losses | $ 1,161 | $ 434
Securities with continuous unrealized losses, Total, Estimated Fair Value | $ 186,815 | $ 120,225
Securities with continuous unrealized losses, Total, Number of Investments | security | 270 | 184
Securities with continuous unrealized losses, Total, Unrealized Losses | $ 3,041 | $ 2,332
US Government-Sponsored Enterprises [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Securities with continuous unrealized losses, Less than 12 months, Estimated Fair Value | $ 112,770 | $ 45,899
Securities with continuous unrealized losses, Less than 12 months, Number of Investments | security | 142 | 53
Securities with continuous unrealized losses, Less than 12 months, Unrealized Losses | $ 1,342 | $ 1,168
Securities with continuous unrealized losses, 12 months or longer, Estimated Fair Value | $ 23,646 | $ 35,511
Securities with continuous unrealized losses, 12 months or longer, Number of Investments | security | 33 | 45
Securities with continuous unrealized losses, 12 months or longer, Unrealized Losses | $ 813 | $ 369
Securities with continuous unrealized losses, Total, Estimated Fair Value | $ 136,416 | $ 81,410
Securities with continuous unrealized losses, Total, Number of Investments | security | 175 | 98
Securities with continuous unrealized losses, Total, Unrealized Losses | $ 2,155 | $ 1,537
US Government Agency [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Securities with continuous unrealized losses, Less than 12 months, Estimated Fair Value | $ 20,201 | $ 19,404
Securities with continuous unrealized losses, Less than 12 months, Number of Investments | security | 30 | 24
Securities with continuous unrealized losses, Less than 12 months, Unrealized Losses | $ 326 | $ 483
Securities with continuous unrealized losses, 12 months or longer, Estimated Fair Value | $ 11,232 | $ 3,657
Securities with continuous unrealized losses, 12 months or longer, Number of Investments | security | 22 | 21
Securities with continuous unrealized losses, 12 months or longer, Unrealized Losses | $ 221 | $ 46
Securities with continuous unrealized losses, Total, Estimated Fair Value | $ 31,433 | $ 23,061
Securities with continuous unrealized losses, Total, Number of Investments | security | 52 | 45
Securities with continuous unrealized losses, Total, Unrealized Losses | $ 547 | $ 529
Private Label [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Securities with continuous unrealized losses, Less than 12 months, Estimated Fair Value | $ 235 | $ 336
Securities with continuous unrealized losses, Less than 12 months, Number of Investments | security | 2 | 4
Securities with continuous unrealized losses, Less than 12 months, Unrealized Losses | $ 2 | $ 7
Securities with continuous unrealized losses, 12 months or longer, Estimated Fair Value | $ 178 | $ 145
Securities with continuous unrealized losses, 12 months or longer, Number of Investments | security | 5 | 4
Securities with continuous unrealized losses, 12 months or longer, Unrealized Losses | $ 9 | $ 7
Securities with continuous unrealized losses, Total, Estimated Fair Value | $ 413 | $ 481
Securities with continuous unrealized losses, Total, Number of Investments | security | 7 | 8
Securities with continuous unrealized losses, Total, Unrealized Losses | $ 11 | $ 14
Obligations Of States And Political Subdivisions Thereof [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Securities with continuous unrealized losses, Less than 12 months, Estimated Fair Value | $ 14,853 | $ 12,549
Securities with continuous unrealized losses, Less than 12 months, Number of Investments | security | 25 | 28
Securities with continuous unrealized losses, Less than 12 months, Unrealized Losses | $ 210 | $ 240
Securities with continuous unrealized losses, 12 months or longer, Estimated Fair Value | $ 3,700 | $ 2,724
Securities with continuous unrealized losses, 12 months or longer, Number of Investments | security | 11 | 5
Securities with continuous unrealized losses, 12 months or longer, Unrealized Losses | $ 118 | $ 12
Securities with continuous unrealized losses, Total, Estimated Fair Value | $ 18,553 | $ 15,273
Securities with continuous unrealized losses, Total, Number of Investments | security | 36 | 33
Securities with continuous unrealized losses, Total, Unrealized Losses | $ 328 | $ 252

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- Definition Disclosure regarding factors used to determine that the impairment of securities not categorized as either held-to-maturity securities or trading securities (hence equal to available for sale securities) where cost exceeds fair value is not an other than temporary impairment (OTTI). This item contains disclosure of the number of investment positions in the available-for-sale investments determined to be temporarily impaired for less than twelve months. + References No definition available. + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 + Details
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