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ACQUISITIONS AND DISPOSITIONS (Details) - USD ($)
Nov. 06, 2020
Feb. 24, 2020
Dec. 31, 2020
ACQUISITIONS AND DISPOSITIONS      
Tangible assets $ 8,000,000.0    
Intangible assets $ 8,000,000.0    
Carrying value     $ 32,700,000
WQMC-LD      
ACQUISITIONS AND DISPOSITIONS      
Total consideration   $ 475,000