Common Stock Transactions - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended
Jun. 30, 2023	May 31, 2023	Apr. 30, 2023	Mar. 31, 2023	Jun. 30, 2023	Jun. 30, 2023	Aug. 05, 2022
Equity [Abstract]
Stock repurchase program, authorized amount							$ 150,000
Stock repurchased during period, shares (in shares)	299,794	188,210	56,130	751,544		1,295,678
Approximate Dollar Value of Shares that have been Purchased Under the Plan	$ 3,975	$ 2,438	$ 731	$ 9,647	$ 7,144	$ 16,791

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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