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Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Pre-Tax Amount [Member] |  |  |
Schedule Of Other Comprehesive Income [Line Items] |  |  |
Unrealized Net Holding Loss On Other-than-Temporarily Impaired Securities Due To Factors Other Than Credit |  |  | $ (130)
Unrealized Net Holding Gain (Loss) On All Other Securitiies | (14,761) | 2,188 | 11,187
Reclassification Adjustment For Net Gain On Securities Recognized In Net Earnings | (651) | (679) | (878)
Other Comprehensive Income (Loss) | (15,412) | 1,509 | 10,179
Tax Benefit (Expense) [Member] |  |  |
Schedule Of Other Comprehesive Income [Line Items] |  |  |
Unrealized Net Holding Loss On Other-than-Temporarily Impaired Securities Due To Factors Other Than Credit |  |  | 48
Unrealized Net Holding Gain (Loss) On All Other Securitiies | 5,446 | (809) | (4,128)
Reclassification Adjustment For Net Gain On Securities Recognized In Net Earnings | 240 | 252 | 324
Other Comprehensive Income (Loss) | 5,686 | (557) | (3,756)
Net Of Tax Amount [Member] |  |  |
Schedule Of Other Comprehesive Income [Line Items] |  |  |
Unrealized Net Holding Loss On Other-than-Temporarily Impaired Securities Due To Factors Other Than Credit |  |  | (82)
Unrealized Net Holding Gain (Loss) On All Other Securitiies | (9,315) | 1,379 | 7,059
Reclassification Adjustment For Net Gain On Securities Recognized In Net Earnings | (411) | (427) | (554)
Other Comprehensive Income (Loss) | $ (9,726) | $ 952 | $ 6,423

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