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Comprehensive Income (Schedule of Components of Comprehensive Income) (Details) (New) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011
Comprehensive Income [Abstract] |  |  |  |
Unrealized holding gains on available-for-sale securities |  |  | $ 9,372 | $ 7,543
Unrealized holding gains on available-for-sale securities, Tax effect |  |  | 3,463 | 2,906
Unrealized gains and losses on securities available-for-sale: Unrealized holding gains arising during the period | 2,721 | 2,855 | 5,909 | 4,637
Reclassification adjustment of OTTI losses included in income |  |  | 198 | 237
Reclassification adjustment of OTTI losses included in income, Tax effect |  |  | 67 | 84
Unrealized gains and losses on securities available-for-sale: Reclassification adjustment on OTTI losses included in income | 93 | 92 | 131 | 153
Reclassification adjustment for net gains arising during this period |  |  | (1,648) | (1,804)
Reclassification adjustment for net gains arising during this period, Tax effect |  |  | (556) | (642)
Unrealized gains and losses on securities available-for-sale: Reclassification adjustment for net gains arising during the period | (432) | (613) | (1,092) | (1,162)
Unrealized gains and losses on securities available-for-sale: Amortization of unrealized holding gains on securities transferred from available-for-sale to held-to-maturity securities |  |  | 6 | 3
Amortization of unrealized holding gains on securities transferred from available-for-sale to held-to-maturity |  |  | 6 | 3
Amortization of unrealized holding gains on securities transferred from available-for-sale to held-to-maturity, Tax effect |  |  | 2 | 1
Unrealized gains and losses on securities available-for-sale: Amortization of unrealized holding gains on securities transferred from available-for-sale to held-to-maturity securities | 10 | 2 | 4 | 2
Change in minimum pension liability |  |  |  | 142
Change in minimum pension liability, Tax effect |  |  |  | 57
Change in minimum pension liability, Net of tax amount |  |  |  | 85
Total other comprehensive income (see Note 6) | $ 2,392 | $ 2,541 | $ 4,952 | $ 3,750

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