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Stock-Based Compensation (Details) - 2016 Plan $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended
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Dec. 31, 2021 USD ($) tranche $ / shares shares | Dec. 31, 2020 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Outstanding share awards that may be awarded (in shares) | 456 |
Outstanding share awards earned and issued at greater than the target number of shares | 200.00% |
Outstanding share awards earned and issued at greater than the target number of shares next fiscal year | 150.00% |
Share-based compensation expense (benefit) | $ | $ 161 | $ 143
Total unrecognized compensation cost related to performance and restricted shares | $ | $ 779 |
Period of recognized compensation cost | 1 year 7 months 6 days |
Key employees |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of tranches in award | tranche | 2 |
Performance and Restricted Shares | Key employees |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares granted in period (in shares) | 74 |
Shares granted in period, grant date fair value (in dollars per share) | $ / shares | $ 8.00 |
Vesting period | 3 years |
Performance shares | Key employees |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares granted in period (in shares) | 44 |
Restricted shares | Key employees |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares granted in period (in shares) | 30 |

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- Definition Outstanding Share Awards Earned And Issued At Greater Than Target Number Of Shares, Next Fiscal Year + References No definition available. + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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