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Recently Issued Accounting Standards - Additional Information (Detail) - ASU 2019-12
Sep. 30, 2021
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]  
Change in accounting principle, accounting standards update, adopted [true false] true
Change in accounting principle, accounting standards update, adoption date Jan. 01, 2021
Change in accounting principle, accounting standards update, immaterial effect [true false] true