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Employee Benefit Plans (Nonqualified Retirement Savings Plan) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Compensation and Retirement Disclosure [Abstract]
Liability to Participants	$ 10,846	$ 10,927
Cash Surrender Value of Life Insurance	$ 11,510	$ 10,913

Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

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- Definition

The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit.

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