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Investment in Unconsolidated Joint Venture - Summary of Equity Method Investment (Detail) - CLIH [Member] - USD ($)
$ in Thousands
Jan. 27, 2019
Apr. 29, 2018
Jan. 28, 2018
Schedule of Equity Method Investments [Line Items]      
Total assets $ 3,255 $ 3,130 $ 3,186
Total liabilities 230 128 150
Total members' equity $ 3,025 $ 3,002 $ 3,036