LEASES (Schedule of Lease Assets and Liabilities, Weighted-Average Lease Term and Discount Rate) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
LEASES [Abstract]
Operating lease ROU assets	$ 728,763	$ 482,513	$ 483,659
Accumulated amortization	(71,882)	(59,385)	(52,432)
Operating leases, net	656,881	423,128	431,227
Finance lease assets	125,624	7,796	7,003
Accumulated amortization	(4,975)	(1,640)	(1,148)
Finance leases, net	120,649	6,156	5,855
Total lease assets	777,530	429,284	437,082
Current operating lease liabilities	$ 48,727	36,969	36,434
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities Current
Current finance lease liabilities	$ 38,395	2,047	1,875
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities Current
Noncurrent operating lease liabilities	$ 622,275	399,582	407,336
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Noncurrent operating lease liabilities
Noncurrent finance lease liabilities	$ 63,172	4,139	4,000
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities Noncurrent
Total lease liabilities	$ 772,569	$ 442,737	$ 449,645
Weighted-average remaining lease term, Operating leases	21 years	9 years 6 months	10 years 1 month 6 days
Weighted-average remaining lease term, Finance leases	3 years 4 months 24 days	4 years 2 months 12 days	4 years 2 months 12 days
Weighted-average discount rate, Operating leases	3.90%	3.60%	3.90%
Weighted-average discount rate, Finance leases	1.20%	1.40%	1.50%