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LEASES (Details 3)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
LEASES    
Weighted-average remaining lease term - finance leases 28 months 29 months
Weighted-average remaining lease term - operating leases 25 years 23 months
Weighted-average discount rate - finance leases 13.10% 12.10%
Weighted-average discount rate - operating leases 8.80% 8.60%