REVENUE - Contract Assets and Contract Liabilities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Contract asset (current)	$ 19,768	$ 16,736
Increase / (decrease) in Contract asset (current)	3,032
Contract liability (current)	73,282	80,241
Increase / (decrease) in Contract liability (current)	(6,959)
Contract liability (long-term)	32,818	$ 25,361
Increase / (decrease) in Contract liability (long-term)	7,457
Revenue recognized previously included in current contract liabilities	106,000
Revenue recognized previously included in current contract liabilities at the beginning of the year	$ 59,400