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Derivatives - Interest Rate Swap (Details) - USD ($)	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014	Dec. 19, 2012
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Notional Amount of Interest Rate Cash Flow Hedge Derivatives			$ 150,000,000
Derivative, Fixed Interest Rate			0.9825%
Quarterly reduction of notional amount	50.00%
Interest rate swap (liability)	$ (848,000)
Interest rate asset		$ 573,000
Accumulated other comprehensive income (loss), interest rate swap, tax benefit	$ 330,000	$ 223,000

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- Definition

Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Tax

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Derivative, Quarterly Reduction of Notional Amount

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Nominal or face amount used to calculate payments on the derivative asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



-SubTopic 10



-Section 50



-Paragraph 1A



-Subparagraph (d)



-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579245-113959



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-Publisher FASB



-Name Accounting Standards Codification



-Glossary Notional Amount



-URI http://asc.fasb.org/extlink&oid=6519104



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-Name Accounting Standards Codification



-Topic 815



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Fixed interest rate related to the interest rate derivative.

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Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



-SubTopic 10



-Section 50



-Paragraph 4B



-Subparagraph (c)(1)



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Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

+ References

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-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



-SubTopic 10



-Section 50



-Paragraph 4B



-Subparagraph (c)(1)



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