Changes in Capital Structure (Details 2) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 15, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Apr. 25, 2012
Capital Allocation Plan
Employee Stock Purchase Plan, Additional Shares Reserved From Treasury						1,000,000
Employee Stock Purchase Plan
Treasury stock reserved for issuance under the ESPP (in shares)		1,018,870		1,018,870
Dividends Per Common Share	$ 0.09	$ 0.09	$ 0.00	$ 0.09	$ 0.00
Subsequent Event [Member]
Employee Stock Purchase Plan
Common Stock, Dividends, Per Share, Declared	$ 0.09