Other Assets - Current (Parenthetical) (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2020	Dec. 31, 2019
Prepaid Expenses And Other Current Assets [Line Items]
Insurance receivable	[1]		$ 15,000
Escrow deposit related to insurance settlement			$ 6,300
Scenario Forecast
Prepaid Expenses And Other Current Assets [Line Items]
Proceeds from insurance settlement		$ 3,800

[1] As of December 31, 2019, the Company recorded an asset of approximately $15.0 million related to insurance claims of which $3.8 million was received in Q1 2020 and $6.3 million will be released from escrow and paid to claimants in 2020. The Company believes the remainder is probable of recovery from various insurance carriers. These claims pertain to expenses incurred related to certain litigation claims against the Company and related expenses that are discussed throughout Note 11.