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STOCK-BASED COMPENSATION - Performance Units - Performance Unit Activity (Detail) - Omnibus Plan [Member] - Performance Shares [member]
12 Months Ended
Dec. 31, 2020
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Unvested shares outstanding, beginning of period 504,461
Granted performance units 502,307
Unvested shares of outstanding, end of period 1,006,768