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) - USD ($)
$ in Thousands
6 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Shares    
Beginning Balance (in shares) 939,632  
Purchased (in shares) 7,000  
Issued to employees and directors (in shares) (10,158)  
Ending Balance (in shares) 936,474  
Cost    
Beginning Balance $ 31,943  
Purchased 238 $ 25,576
Issued to employees and directors (397)  
Ending Balance $ 31,784