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Organization and Summary of Significant Accounting Policies - Deferred Compensation (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash Surrender Value of Life Insurance	$ 6,100,000	$ 4,800,000
Deferred Compensation Liability, Classified, Noncurrent	$ 5,956,000	$ 4,585,000

- Definition

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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