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Recently Issued Accounting Standards - Additional Information (Detail)
 1 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2021
Accounting Standards Update 2020-04 [Member]      
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]      
New Accounting Pronouncement or Change in Accounting Principle, Description Effects of Reference Rate Reform In March 2020, the FASB issued ASU 2020-04, which provides relief from accounting analysis and impacts that may otherwise be required for modifications to agreements necessitated by reference rate reform. It also provides optional expedients to enable the continuance of hedge accounting where certain hedging relationships are impacted by reference rate reform. This optional guidance is effective immediately, and available to be used through December 31, 2022. We are assessing the impact that reference rate reform and the related adoption of this guidance may have on our financial statements.    
Accounting Standards Update 2019-12 [Member]      
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]      
New Accounting Pronouncement or Change in Accounting Principle, Description   Simplifying the Accounting for Income Taxes In December 2019, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2019-12, which is intended to simplify accounting for income taxes and improve consistency in application. ASU 2019-12 amends certain elements of income tax accounting, including but not limited to intraperiod tax allocations, step-ups in tax basis of goodwill, and calculating taxes on year-to-date losses in interim periods. The guidance was effective for the Company’s fiscal year beginning January 1, 2021. The adoption of this guidance did not have a material effect on our financial statements.  
Change in accounting principle, accounting standards update, adoption date     Jan. 01, 2021
Change in accounting principle, accounting standards update, immaterial effect     true
Change in accounting principle, accounting standards update, adopted     true