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Derivatives (Effect of Interest Rate Contracts on the Statement of Operations) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Interest rate contracts |  |
Derivative Gain Loss On Derivatives Net [Abstract] |  |
(Gain) loss reclassified from AOCI into Income | $ 302 | $ (1,242)
AOCI into Income |  |
Derivative Gain Loss On Derivatives Net [Abstract] |  |
(Gain) loss reclassified from AOCI into Income | $ 455 | $ (1,007)

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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