LONG-TERM DEBT AND LINES OF CREDIT - Effect on Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Debt Disclosure [Abstract]
Net unrealized gains (losses) recognized in other comprehensive income (loss)	$ 5,051	$ (410)	$ 13,985	$ 584
Net unrealized losses reclassified out of other comprehensive income (loss) to interest expense	$ 7,534	$ 9,662	$ 16,979	$ 20,500