Derivatives (Effect of Interest Rate Contracts on the Statement of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
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)

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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

Name:	us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration