Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Common Share - Narrative (Details)

v3.7.0.1
Earnings Per Common Share - Narrative (Details) - shares
6 Months Ended 12 Months Ended
Mar. 31, 2017
Sep. 30, 2015
Officer    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 750,000  
Chief executive Officer and Chief Financial Officer    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares)   12,500