Stock-Based Compensation (Narrative) (Details) (USD $)	9 Months Ended						3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Option 4/23/2010 [Member]	Dec. 12, 2011 Option 4/23/2010 [Member]	Apr. 23, 2010 Option 4/23/2010 [Member]	Sep. 30, 2013 Option 12/12/2011 [Member]	Jun. 30, 2013 Incentive Equity And Deferred Compensation Plan [Member]	Jun. 30, 2012 Incentive Equity And Deferred Compensation Plan [Member]	Sep. 30, 2013 Incentive Equity And Deferred Compensation Plan [Member]	Sep. 30, 2012 Incentive Equity And Deferred Compensation Plan [Member]	Sep. 30, 2013 Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares	793,368								243,101
Vesting period											10 years
Award issuable period after date of grant	3 years
Share issuance, restricted sale period	1 year
Cliff-vesting period	3 years
Shares available for future grants	335,279								158,754
Non-exercisable options granted				44,600	44,600
Unvested stock amortization	$ 154,000	$ 105,000	$ 51,000				$ 31,000	$ 18,000	$ 103,000	$ 53,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized			$ 13,000			$ 55,000			$ 309,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition									1 year 11 months 1 day