Legal Proceedings - Additional Information (Detail) $ / shares in Units, $ in Millions				1 Months Ended	3 Months Ended	12 Months Ended
	Jul. 16, 2018 $ / shares	Dec. 26, 2017 USD ($) $ / shares shares	Mar. 29, 2016 USD ($)	Feb. 28, 2018 USD ($)	Mar. 31, 2020 LegalMatter	Jul. 15, 2019 shares	Dec. 31, 2017 USD ($)	Dec. 31, 2015 USD ($)	Mar. 31, 2019 $ / shares	Jun. 29, 2018 USD ($)
Loss Contingencies [Line Items]
Attorney fees cost and expenses		$ 15.0
Reserve for settlement of fines							$ 17.1	$ 4.0
Estimated insurance recoveries							15.0
Non-cash charge for Settlement warrants							2.1	4.0
Reversal of cash settlement from contingent liability										$ 15.0
Litigation settlement amount paid by company			$ 4.0
Settlement fees							$ 2.1	$ 4.0
Settlement Warrants
Loss Contingencies [Line Items]
Warrants to purchase of common stock shares | shares		200,000
Warrants exercisable period	1 year	1 year
Warrants exercise price | $ / shares	$ 30.00	$ 3.00							$ 30.00
Cash settlement from insurance carriers				$ 15.0
Warrant expired | shares						200,000
Warrant expiration date					Jul. 15, 2019
Warrants exercised during period | shares						0
Derivative Lawsuits
Loss Contingencies [Line Items]
Loss contingency claims filed against company | LegalMatter					2