LEASES (Other Information related to Leases) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Weighted Average Remaining Lease Term (years)
Operating lease (in years)	5 years 1 month 6 days	5 years 1 month 6 days
Finance lease (in years)	9 years 3 months 18 days	21 years 3 months 18 days
Weighted Average Discount Rate
Operating lease (as a percentage)	4.89%	5.29%
Finance lease (as a percentage)	3.57%	4.97%
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 53,498	$ 56,240
Operating cash flows from finance leases	1,523	1,415
Financing cash flows from finance leases	4,469	586	$ 0
ROU assets obtained in exchange for operating lease liabilities	34,358	17,699
ROU assets obtained in exchange for finance lease liabilities	$ 32,526	$ 33,449