EARNINGS PER COMMON SHARE (Components of Calculation of Earnings Per Share) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
EARNINGS PER COMMON SHARE [Abstract]
Net income	$ 33,019	$ 10,897
Weighted average common shares outstanding:
Basic	29,154,639	29,181,233
Diluted	29,348,393	29,223,187

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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