Annual report pursuant to Section 13 and 15(d)

Treasury Stock - Schedule of Treasury Stock Purchases (Details)

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Treasury Stock - Schedule of Treasury Stock Purchases (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Stockholders Equity Note [Abstract]    
Total Number of Shares Purchased 7,000 752,234
Average Price Paid Per Share (in dollars per share) $ 33.95 $ 34.00
Total Shares Purchased as Part of Publicly Announced Plan or Program 1,481,640 1,474,640
Total Dollar Value of Shares Purchased $ 238 $ 25,576