Earnings Per Share (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Earnings Per Share Disclosure [Line Items]
Antidilutive shares excluded from EPS calculation	23,347	26,821	23,552	27,218
Dividends on preferred stock	$ 0	$ 1,093,000	$ 0	$ 3,197,000
Accretion of discount on preferred stock				0
Stock Options [Member]
Earnings Per Share Disclosure [Line Items]
Antidilutive shares excluded from EPS calculation	1,275	4,750	1,480	4,750
Preferred stock Series A [Member]
Earnings Per Share Disclosure [Line Items]
Unpaid cumulative dividends				4,200,000
Dividends on preferred stock		1,100,000		3,200,000
Accretion of discount on preferred stock		$ 200,000		$ 600,000