Stock Based Compensation (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended						6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Restricted Stock [Member]	Jun. 30, 2012 Restricted Stock [Member]	Jun. 30, 2013 Restricted Stock [Member]	Jun. 30, 2012 Restricted Stock [Member]	Jun. 30, 2013 Stock Options [Member]	Jun. 30, 2013 Long-Term Incentive Plan [Member]	Dec. 31, 2012 Long-Term Incentive Plan [Member]	Apr. 28, 2011 Long-Term Incentive Plan [Member]	Jun. 30, 2013 Minimum [Member] Restricted Stock [Member]	Jun. 30, 2013 Maximum [Member] Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for plan										1,100,000		500,000
Shares avaliable for grant										34,563	675,956
Minimum exercise price per share of stock options as a percentage of grant date fair market value			100.00%
Stock option or stock appreciation term, maximum			10 years
Stock-based compensation expense	$ 469,000	$ 206,000	$ 687,000	$ 398,000	$ 500,000	$ 200,000	$ 700,000	$ 300,000
Vesting period													2 years	3 years
Total fair value of vested restricted stock							400,000	400,000
Total unrecognized stock options compensation expense					$ 3,900,000		$ 3,900,000		$ 200,000
Weighted average period of recognition for total unrecognized stock options compensation expense							3 years		3 years