Stockholders' Equity (Details) - Series A Preferred Stock - $ / shares		12 Months Ended
	Oct. 08, 2015	Sep. 30, 2015	Dec. 15, 2008
Equity, Class of Treasury Stock [Line Items]
Preferred stock, par value per share			$ 0.01
Class of warrant or right, number of securities called by warrants or rights		1.000
Class of warrant or right, exercise price			$ 51.60
Expiration period		10 years
Common stock ownership threshold, percent		15.00%
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Collective ownership threshold for joint filers	19.90%