Represents the unamortized fair value of award.

No definition available.

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- Definition

Represents the shares withheld to cover federal income taxes.

+ References

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Aggregate number of common shares reserved for future issuance.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 4

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Section S99

-Paragraph 1

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- Definition

Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

+ References

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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- Definition

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

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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

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-SubTopic 10

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- Definition

The intrinsic value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units, as calculated by applying the disclosed pricing methodology.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Description of pertinent provisions of equity-based compensation awards that have actual or potential impact upon the company's financial statements.

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Stock-Based Awards (Details Textual) (USD $)	1 Months Ended		12 Months Ended
Stock-Based Awards (Details Textual) (USD $)	May 31, 2011 Stock Unit Award [Member]	Apr. 30, 2010 Stock Unit Award [Member]	Dec. 31, 2012 Stock Incentive Plan 2006 [Member]	Dec. 31, 2012 Stock Incentive Plan 2006 [Member] Stock Unit Award [Member]	Dec. 31, 2011 Stock Incentive Plan 2006 [Member] Stock Unit Award [Member]	Dec. 31, 2010 Stock Incentive Plan 2006 [Member] Stock Unit Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			500,000
Number of Shares, Available for grant				220,069
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award			grants of options with terms of up to ten years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights	The SUAs vest over a period of two to four years	The SUAs vest over a period of two to four years		The SUAs vest over a period of two to four years and are convertible into an equivalent number of shares of the Company's common stock provided that the employee receiving the award remains continuously employed throughout the vesting period.
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 10.03	$ 7.75		$ 9.79
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Intrinsic Value				$ 10.75
Shares Withheld To Cover Federal Income Taxes				9,619	8,406	6,064
Common Stock, Capital Shares Reserved for Future Issuance			557,382
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Unamortized Fair Value				$ 990,031
Number of Shares, Granted	59,000			65,000	59,000	94,000
Number of Shares, Terminated		20,350		0	0	(20,350)