Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Summary of Quantitative Information Associated with Amounts Recognized in Financial Statements for Lease (Detail)

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Commitments and Contingencies - Summary of Quantitative Information Associated with Amounts Recognized in Financial Statements for Lease (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 01, 2018
Mar. 31, 2019
Commitments And Contingencies Disclosure [Abstract]    
Operating lease cost   $ 166
Variable lease cost   9
Total operating lease expense   175
Total lease payments $ 7,300 $ 164
Remaining Lease term (years)   10 years 3 months
Discount rate   15.00%