EARNINGS PER COMMON SHARE (Reconciliation of Net Income) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
EARNINGS PER COMMON SHARE [Abstract]
Common Stockholders	$ 64,272	$ (16,523)	$ 97,227	$ (5,626)
Participating securities	86	0	150	0
Net income/(loss)	$ 64,358	$ (16,523)	$ 97,377	$ (5,626)

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

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