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Organization and Summary of Significant Accounting Policies - Deferred Compensation (Details) (USD $) | Dec. 31, 2014 | Dec. 31, 2013
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Cash Surrender Value of Life Insurance | $ 9,000,000 us-gaap_CashSurrenderValueOfLifeInsurance | $ 7,800,000 us-gaap_CashSurrenderValueOfLifeInsurance
Deferred Compensation Liability, Classified, Noncurrent | $ 8,635,000 us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent | $ 7,833,000 us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6812-107765 + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer). + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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