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Property and Equipment - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 11 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 15, 2016
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]        
Capitalized interest $ 0   $ 0 $ 0
Predecessor [Member]        
Property, Plant and Equipment [Line Items]        
Capitalized interest   $ 0