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Pension Plan (Schedule of Fair Market Values) (Details) (Pension Benefits [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Asset allocations:
Fair value of plan assets	$ 2,546	$ 2,342	$ 2,424
Equity Securities [Member]
Asset allocations:
Fair value of plan assets	1,451	1,359
Fixed Income Securities [Member]
Asset allocations:
Fair value of plan assets	764	795
Real Estate [Member]
Asset allocations:
Fair value of plan assets	229	141
Other [Member]
Asset allocations:
Fair value of plan assets	$ 102	$ 47

Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

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