Recently Adopted Accounting Standards and Recently Issued Accounting Pronouncements - Additional Information (Detail) - USD ($) $ in Millions	Jan. 01, 2020	Jan. 01, 2019
ASU 2018-02 [Member]
Summary Of Significant Accounting Policies [Line Items]
Increase to accumulated other comprehensive income (loss) and a decrease in retained earnings		$ 0.9
ASU 2016-13 [Member] | Subsequent Event [Member]
Summary Of Significant Accounting Policies [Line Items]
Increase (decrease) in allowance for doubtful accounts	$ 1.1
Increase (decrease) in deferred income taxes	0.2
Increase (decrease) in retained earnings	$ 0.9