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CASH FLOW INFORMATION (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
CASH FLOW INFORMATION    
Cash paid for interest $ 3,306,000 $ 3,229,000
Cash paid for state income taxes 56,000 $ 76,000
Non-cash financing activities in connection with acquisition $ 2,393,000