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INCOME TAXES
6 Months Ended
Jun. 30, 2021
Income Tax Disclosure [Abstract]  
Income Taxes
9.
 
INCOME TAXES
The income tax provision for interim periods is determined using an estimate of the annual effective tax rate, adjusted for discrete items, if any, that are taken into account in the relevant period. Each quarter, the estimate of the annual effective tax rate is updated, and if the estimated effective tax rate changes, a cumulative adjustment is made.