Stock Based Compensation (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Restricted Stock [Member]	Dec. 31, 2011 Restricted Stock [Member]	Dec. 31, 2010 Restricted Stock [Member]	Dec. 31, 2012 Stock Options [Member]	Dec. 31, 2011 Stock Options [Member]	Dec. 31, 2010 Stock Options [Member]	Dec. 31, 2012 Long-Term Incentive Plan [Member]	Aug. 29, 2011 Long-Term Incentive Plan [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	675,956	137,590
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	$ 867,000	$ 960,000	$ 341,000	$ 700,000	$ 700,000	$ 300,000	$ 200,000	$ 300,000	$ 100,000
Total unrecognized stock options compensation expense	$ 700,000
Weighted average period of recognition for total unrecognized stock options compensation expense	1 year 10 months 6 days