Equity Plans and Equity Based Compensation (Additional Information) (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) Plan shares	Jun. 30, 2014 USD ($) shares	Jun. 30, 2015 USD ($) Plan installment shares	Jun. 30, 2014 USD ($) 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		3
Number of shares available for grant | shares	390,033		390,033
Stock compensation expense	$ 142,000	$ 101,000	$ 304,000	$ 199,000
Stock granted during period percentage			60.00%
Stock cash credit entitlement percentage			40.00%
Number of equal installments | installment			3
Vested in period percentage			33.33%
Stock issued during period | shares	768	0	33,378	31,080
Unrecognized stock expenses in restricted stock			$ 2,235,000	$ 1,873,000
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
Expense of stock options granted		$ 0	$ 0	0
Stock compensation expense	$ 0	0	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		500,000
Stock compensation expense	$ 0	0	$ 0	0
Unrecognized option expense	$ 0	$ 0	$ 0	$ 0