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FAIR VALUE OF FINANCIAL INSTRUMENTS - Additional Information (Detail) - Senior Secured Notes - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes payable, fair value $ 335.6 $ 383.2
Notes payable, carrying value $ 349.6 $ 392.8