COMMITMENTS AND CONTINGENCIES - Future Cash Payments and Commitments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Purchase obligation	$ 10,112,301
Purchase obligation, due in year 1	3,858,365
Purchase obligation, due in years 2 and 3	4,449,217
Purchase obligation, due in years 4 and 5	1,794,791
Purchase obligation, due after year 5	9,928
Guarantees	60,362
Guarantees, due in year 1	60,362
Guarantees, due in years 2 and 3	0
Guarantees, due in years 4 and 5	0
Guarantees, due after year 5	0
Letters of credit	139,465
Letters of credit, due in year 1	360
Letters of credit, due in years 2 and 3	1,990
Letters of credit, due in years 4 and 5	360
Letters of credit, due after year 5	136,755
Total contractual obligation	10,312,128
Total contractual obligation, due in year 1	3,919,087
Total contractual obligation, due in years 2 and 3	4,451,207
Total contractual obligation, due in years 4 and 5	1,795,151
Total contractual obligation, due after year 5	146,683
Operating Leases, Pole Rent	$ 37,545	$ 36,364	$ 31,903