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Retirement Agreements and Other Postretirement Benefit Plan Amounts in Accumulated Other Comprehensive Income, Pre-tax, to be Recognized as Components of Net Periodic Benefit Costs (Details) (USD $)	12 Months Ended
	Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]
Amortization of unrecognized prior service cost	$ 4,390us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit
Amortization of unrecognized loss	3,514us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss
Net periodic benefit cost at end of year	$ 7,904us-gaap_DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear

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- Details

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- Definition

Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation).

+ References

No definition available.

+ Details

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- Definition

Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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- Definition

Amount included in accumulated other comprehensive income (AOCI) related to prior service cost (credit) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.

+ References

No definition available.

+ Details

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