FAIR VALUE MEASUREMENTS AND DERIVATIVE INSTRUMENTS (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivatives, Fair Value
Other comprehensive income (loss), cash flow hedge	$ (366)	$ (4,083)	$ (1,007)
Gain (loss) on fair value of derivative instruments	18,346	(22,348)	(3,495)
Unrealized gain (loss) reclassified from accumulated other comprehensive income to interest expense	366	4,083	$ 1,007
Loss to be reclassified to interest expense during next 12 months	6,799
Interest Rate Swap
Derivatives, Fair Value
Other comprehensive income (loss), cash flow hedge	372
Estimate of Fair Value Measurement
Derivatives, Fair Value
Carrying value and estimated fair value of debt	1,146,699	1,176,625
Reported Value Measurement
Derivatives, Fair Value
Carrying value and estimated fair value of debt	$ 1,117,873	$ 1,196,434

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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