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Shareholders' Equity and Debt (Shareholders' Equity) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Jan. 31, 2015	Jan. 31, 2013	Apr. 30, 2012	Jan. 31, 2011	May. 13, 2010
Shareholders' Equity (Textual) [Abstract]
Repurchase outstanding common shares			$ 10,000,000.0	$ 10,000,000.0	$ 10,000,000.0	$ 10,000,000.0	$ 10,000,000.0
Repurchase of shares, value	$ 4,669,873
Restricted Stock
Shareholders' Equity (Textual) [Abstract]
Restricted stock granted in period, shares	202,786
Director | Restricted Stock
Shareholders' Equity (Textual) [Abstract]
Restricted stock awards, vesting period	1 year
Common stock
Shareholders' Equity (Textual) [Abstract]
Repurchase of shares, shares	712,134	576,978
Repurchase of shares, value	$ 4,669,873	$ 2,700,000

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- Definition

Shareholders Equity.

+ References

No definition available.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (a)(1)



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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



-Publisher FASB



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-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



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Amount of stock repurchase plan authorized.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 505



-SubTopic 10



-Section 50



-Paragraph 2



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-Number 210



-Section 04



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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 505



-SubTopic 10



-Section 50



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644



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