Equity Plans and Equity Based Compensation (Additional Information) (Details)	3 Months Ended
Mar. 31, 2016 USD ($) Plan installment shares	Mar. 31, 2015 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, number of plans \| Plan	3
Number of shares available for grant \| shares	314,393
Stock compensation expense	$ 142,000	$ 162,000
Stock granted during period percentage	60.00%
Stock cash credit entitlement percentage	40.00%
Number of equal installments \| installment	3
Vested in period percentage	33.30%
Stock issued during period \| shares	32,250	32,610
Unrecognized stock expenses in restricted stock	$ 1,785,000	$ 2,615,000
Discount from market price, offering date	95.00%
Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested in period percentage	100.00%
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options granted \| shares	0	0
Stock compensation expense	$ 0	$ 0
Unrecognized option expense	$ 0	0
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant \| shares	500,000
Stock compensation expense	$ 0	0
Unrecognized option expense	$ 0	$ 0

Cash credit entitlements as a percent of grant.

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Restricted stock as a percent of grant.

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Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments

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Share-based Compensation Arrangement by Share-based Payment Award, Number of Plans

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The Unrecognized expense associated with the restricted stock grants and cash entitlements.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
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Unrecognized cost of unvested share-based compensation awards.

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- Definition

Discount rate from fair value on offering date that participants pay for shares.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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Gross number of share options (or share units) granted during the period.

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Percentage of vesting of share-based compensation awards.

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Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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-Section 02
-Paragraph 29, 30
-Article 5

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