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Recently Adopted Accounting Pronouncements - Additional Information (Detail)
 9 Months Ended
Sep. 30, 2021
Accounting Changes And Error Corrections [Abstract]  
Accounting Standards Update [Extensible List] us-gaap:AccountingStandardsUpdate201912Member
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