Annual report pursuant to Section 13 and 15(d)

Common Stock and Options - Schedule of Nonvested Shares (Details)

v3.19.3
Common Stock and Options - Schedule of Nonvested Shares (Details) - Restricted Stock - $ / shares
1 Months Ended 12 Months Ended
Nov. 30, 2017
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]          
Beginning balance (in shares)   7,333 5,334 10,267  
Granted (in shares) 5,000 0 5,000 0  
Vested (in shares)   (1,667) (3,001) (4,933)  
Forfeited (in shares)   0 0 0  
Ending balance (in shares)   5,666 7,333 5,334  
Weighted-Average Grant Date Fair Value          
Beginning balance (in dollars per share)   $ 44.26 $ 41.46 $ 49.39 $ 49.49
Granted (in dollars per share) $ 31.95 0 31.95 0  
Vested (in dollars per share)   31.95 39.70 49.58  
Forfeited (in dollars per share)   0 0 0  
Ending balance (in dollars per share)   $ 44.26 $ 41.46 $ 49.39