Income Taxes (Details) (USD $)	3 Months Ended								12 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2014	Sep. 30, 2013
Income Tax Examination [Line Items]
Income Tax Expense (Benefit)	$ 4,597,000	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ (4,597,000)	$ 0
Unutilized tax credits	1,100,000								1,100,000
U.S.
Income Tax Examination [Line Items]
Net operating losses	40,800,000								40,800,000
State
Income Tax Examination [Line Items]
Net operating losses	$ 29,200,000								$ 29,200,000