Stock-Based Compensation (Details) - 2016 Plan $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2022 USD ($) tranche $ / shares shares	Dec. 31, 2021 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding share awards that may be awarded (in shares)	387
Outstanding share awards earned and issued at greater than the target number of shares next fiscal year	150.00%
Share-based compensation expense (benefit) | $	$ 122	$ 161
Total unrecognized compensation cost related to performance and restricted shares | $	$ 395
Period of recognized compensation cost (in years)	1 year 6 months
Key employees | Performance and Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted in period (in shares)	86
Number of tranches in award | tranche	2
Shares granted in period, grant date fair value (in dollars per share) | $ / shares	$ 2.84
Vesting period	3 years
Shares forfeited (in shares)	0
Key employees | Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted in period (in shares)	27
Key employees | Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted in period (in shares)	59