Fair Value Of Financial Instruments - Summary of Effects of Interest Rate Derivative Instruments (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2023	Mar. 31, 2023
Effect Of Cash Flow Hedge Accounting On AOCI [Line Items]
Cash Flow Hedge - Amount of Gain (Loss) Recognized in Other Comprehensive Income (Loss)	$ (1,491)	$ (3,262)
Interest Expense [Member]
Effect Of Cash Flow Hedge Accounting On AOCI [Line Items]
Cash Flow Hedge - Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss)	$ 34	$ (39)

Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 15
-URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e689-108580

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e637-108580

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration