ACCOUNTING CHANGES (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Jan. 01, 2020	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounting standards update	us-gaap:AccountingStandardsUpdate201613Member
Adjustment to retained earnings	$ (329,016)		$ (357,016)
Cumulative effect of new accounting principle
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings		$ (189)