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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Results from Discontinued Operations) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]      
Pretax loss $ (4,752) $ (6,541) $ (2,748)
Income tax benefit 1,237 1,700 712
Loss on discontinued operations, net of tax $ (3,515) $ (4,841) $ (2,036)