Significant Accounting Policies - Additional Information (Details)	3 Months Ended
	Dec. 31, 2021 USD ($)
Accounting Policies [Abstract]
Cash and cash equivalents held by foreign subsidiaries and branch offices	$ 4.5
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, adoption date	Oct. 01, 2021
Change in accounting principle, accounting standards update, immaterial effect	true
Accounting Standards Update [Extensible Enumeration]	us-gaap:AccountingStandardsUpdate201912Member