Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Schedule of Treasury Stock Purchases and Issuance (Details)

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Stockholders' Equity - Schedule of Treasury Stock Purchases and Issuance (Details)
$ in Thousands
 9 Months Ended
Jun. 30, 2018
USD ($)
shares
Shares  
Beginning Balance (in shares) | shares 177,315
Ending Balance (in shares) | shares 223,747
Cost  
Beginning Balance | $ $ 6,502
Ending Balance | $ $ 7,854
Treasury Stock  
Shares  
Beginning Balance (in shares) | shares 177,315
Purchased (in shares) | shares 72,266
Ending Balance (in shares) | shares 223,747
Cost  
Beginning Balance | $ $ 6,502
Purchased | $ 2,215
Ending Balance | $ $ 7,854
Treasury Stock | Issued to employees and directors  
Shares  
Issued to employees and directors (in shares) | shares (25,834)
Cost  
Issued to employees and directors | $ $ (863)