Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation - Additional Information (Detail)

v3.20.2
Basis of Presentation - Additional Information (Detail)
$ in Millions
9 Months Ended
Sep. 30, 2020
USD ($)
Segments
Dec. 31, 2019
USD ($)
Number of operating segments | Segments 3  
Revolving Credit Facility [Member]    
Debt instrument maximum borrowing capacity $ 22.2 $ 26.4
Debt instrument outstanding $ 16.6 $ 12.4