LONG-TERM DEBT - Schedule of Consolidated Interest Coverage Ratio (Detail) - Senior Secured Notes	Sep. 30, 2020	Apr. 01, 2020	Mar. 31, 2020
December 31, 2020
Debt Instrument [Line Items]
Consolidated interest coverage ratio		0.00	1.15
December 31, 2020 | Maximum
Debt Instrument [Line Items]
Consolidated interest coverage ratio	0.00
March 31, 2021
Debt Instrument [Line Items]
Consolidated interest coverage ratio		0.75	1.25
March 31, 2021 | Maximum
Debt Instrument [Line Items]
Consolidated interest coverage ratio	0.75
June 30, 2021
Debt Instrument [Line Items]
Consolidated interest coverage ratio		1.10	1.30
June 30, 2021 | Maximum
Debt Instrument [Line Items]
Consolidated interest coverage ratio	1.10
September 30, 2021 | Maximum
Debt Instrument [Line Items]
Consolidated interest coverage ratio	1.35
December 31, 2021 | Maximum
Debt Instrument [Line Items]
Consolidated interest coverage ratio	1.45
March 31, 2022 and each quarter end thereafter | Maximum
Debt Instrument [Line Items]
Consolidated interest coverage ratio	1.50