Business Combination - Summary of Merger Consideration Paid to DTH Stockholders (except for the Levy Newco Parties) (Detail) - $ / shares	Dec. 31, 2019	Jan. 01, 2019	Jan. 02, 2018
Business Acquisition [Line Items]
Value per share as of June 30, 2015	$ 3.59	$ 4.92	$ 4.63

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.

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