Stock Options Narrative (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 2,478,000		$ 2,478,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options	343,000		343,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	1,764,000		1,764,000		750,000
intrinsic value of options outstanding and exercisable	151,000	185,000	151,000	185,000
Outstanding Number of Options, Exercised	0	30,000	(5,000)	154,000
Stock Options [Member]
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
weighted average period for amortization of option			1 year 3 months 18 days
Change in Company Control [Member]
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options	$ 2,135,000		$ 2,135,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	850,000		850,000