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Basis of Presentation and New Accounting Pronouncements - Additional Information (Detail)
Jun. 30, 2020
Unnamed Corporate Joint Venture One [Member]  
Basis Of Presentation [Line Items]  
Equity method ownership percentage in joint venture 37.50%
Unnamed Corporate Joint Venture Two [Member]  
Basis Of Presentation [Line Items]  
Equity method ownership percentage in joint venture 49.00%