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Accounting and Reporting Changes - Additional Information (Detail)
Jun. 30, 2020
ASU 2016-13 [Member]  
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]  
Accounting standards update adopted (true false) false
ASU 2018-14 [Member]  
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]  
Accounting standards update adopted (true false) false
ASU 2019-12 [Member]  
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]  
Accounting standards update adopted (true false) false