Annual report pursuant to Section 13 and 15(d)

Income Taxes - Narrative (Details)

v3.5.0.2
Income Taxes - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Income Tax Disclosure [Abstract]      
Statutory federal income tax rate 35.00% 35.00% 35.00%
Federal Tax Authority      
Operating Loss Carryforwards [Line Items]      
Federal and State Income tax net operating loss carryforward $ 14.8    
Federal Tax Authority | Expire in 2024      
Operating Loss Carryforwards [Line Items]      
Federal and State Income tax net operating loss carryforward 4.2    
Federal Tax Authority | Expire in 2025      
Operating Loss Carryforwards [Line Items]      
Federal and State Income tax net operating loss carryforward 10.6    
State Tax Authority      
Operating Loss Carryforwards [Line Items]      
Federal and State Income tax net operating loss carryforward 18.3    
State Tax Authority | Expire in 2024      
Operating Loss Carryforwards [Line Items]      
Federal and State Income tax net operating loss carryforward 4.2    
State Tax Authority | Expire in 2025      
Operating Loss Carryforwards [Line Items]      
Federal and State Income tax net operating loss carryforward 14.1    
Federal and State Tax Authority      
Operating Loss Carryforwards [Line Items]      
Federal and State capital loss carryforward 25.2    
Federal and State Tax Authority | Expire in 2017      
Operating Loss Carryforwards [Line Items]      
Federal and State capital loss carryforward 0.6    
Federal and State Tax Authority | Expire in 2018      
Operating Loss Carryforwards [Line Items]      
Federal and State capital loss carryforward $ 24.6