Restricted Stock Awards (Details)	3 Months Ended		1 Months Ended
	Sep. 30, 2012	Sep. 30, 2012 Restricted Stock [Member]	Aug. 31, 2008 Chief Executive Officer [Member] Restricted Stock [Member]	Sep. 30, 2012 Chief Executive Officer [Member] Restricted Stock [Member]	Jun. 30, 2012 Chief Executive Officer [Member] Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise of stock options, shares	98,794		925,000
Restricted stock awards granted, shares		0	898,205
Restricted stock awards, vesting period			5 years
Restricted stock awards vested, shares				718,564	538,923