DERIVATIVE FINANCIAL INSTRUMENTS (Cash flow hedges gains (losses) recognized) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Trading Activity, Gains and Losses, Net [Line Items]
Effective Portion, Recognized in OCI, Amount of Gain (Loss)	$ 1,888	$ (3,680)
Effective Portion, Reclassified from AOCI into Income, Amount of Gain (Loss)	597	190
Interest rate swaps
Trading Activity, Gains and Losses, Net [Line Items]
Effective Portion, Recognized in OCI, Amount of Gain (Loss)	1,297	(3,863)
Interest rate swaps | Interest expense
Trading Activity, Gains and Losses, Net [Line Items]
Effective Portion, Reclassified from AOCI into Income, Amount of Gain (Loss)	591	183
Interest rate swaps | Other income
Trading Activity, Gains and Losses, Net [Line Items]
Ineffective Portion, Recognized in Income on Derivatives, Amount of Gain (Loss)	$ 0	$ 0