SHARE-BASED COMPENSATION (Narrative) (Details) - trading_day	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]
Trading days proceeding and performance period	10	10
Performance Restricted Stock Units | Performance Restricted Stock Units Granted In 2021
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]
Vesting period	3 years
Performance Restricted Stock Units | Performance Restricted Stock Units Granted In 2021 | Minimum
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]
Vesting percentage	0.00%
Performance Restricted Stock Units | Performance Restricted Stock Units Granted In 2021 | Maximum
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]
Vesting percentage	200.00%
Performance Restricted Stock Units | Performance Restricted Stock Units granted in 2020 and 2019
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]
Vesting period	3 years
Performance Restricted Stock Units | Performance Restricted Stock Units granted in 2020 and 2019 | Minimum
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]
Vesting percentage	75.00%
Performance Restricted Stock Units | Performance Restricted Stock Units granted in 2020 and 2019 | Maximum
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]
Vesting percentage	125.00%
Performance Restricted Stock Units | Performance Restricted Stock Units granted in 2018 and prior
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]
Vesting period	3 years
Performance Restricted Stock Units | Performance Restricted Stock Units granted in 2018 and prior | Minimum
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]
Vesting percentage	0.00%
Performance Restricted Stock Units | Performance Restricted Stock Units granted in 2018 and prior | Maximum
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]
Vesting percentage	200.00%