Derivative Financial Instruments - Additional Information (Detail) - Senior Term Note Due July 1, 2026 [Member]
$ in Millions
|6 Months Ended|
Jun. 30, 2020
|Derivative [Line Items]|
|Settlement of forward starting swap agreements||$ 9.2|
|Amortized period on interest expense||10 years|
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
No definition available.