Annual report pursuant to Section 13 and 15(d)

Earnings Per Common Share - Additional Information (Details)

v3.8.0.1
Earnings Per Common Share - Additional Information (Details) - $ / shares
1 Months Ended 3 Months Ended
Aug. 24, 2017
Sep. 30, 2011
Sep. 30, 2017
Warrant      
Conversion of Stock [Line Items]      
Shares issued (in shares)   700,000,000  
Exercise price per warrant (in dollars per share)   $ 7.142857  
Common Stock      
Conversion of Stock [Line Items]      
Common stock issued in connection with exercise of warrants and exchange of preferred stock (in shares) 700,000,000   700,000,000