Compensation Plans (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Compensation Plans (Additional Textual) [Abstract]
Stock-based compensation expense	$ 205	$ 282
Compensation Plans (Textual) [Abstract]
Aggregate shares, granted	841,160
Long Term Incentive Plan
Compensation Plans (Additional Textual) [Abstract]
Stock-based compensation expense	$ 6
Terms of award	One-third of the shares awarded will vest at the end of three years if Mr. Chambers is continuously employed by the Company during such period, and the remaining two-thirds of the shares awarded will vest at the end of three years if Mr. Chambers is continuously employed by the Company during such period and certain performance goals related to reserve growth and our stock price are achieved, as defined for purpose of the awards.
Restricted Stock | Long Term Incentive Plan
Compensation Plans (Textual) [Abstract]
Aggregate shares, granted	528,634