LONG-TERM DEBT, NET (New Credit Facility) (Details) - USD ($)	1 Months Ended
	Oct. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Jun. 04, 2018	May 31, 2018	Dec. 31, 2017
Credit facility, maximum borrowing capacity				$ 1,000,000,000
Revolving Credit Facility [Member]
Credit facility, maximum borrowing capacity	$ 10,000,000
Credit facility expiration date	Oct. 04, 2020
Letter of credit outstanding		$ 0
Standby Letters of Credit [Member]
Credit facility, maximum borrowing capacity	$ 2,000,000			$ 50,000,000	$ 100,000,000
Letter of credit outstanding		$ 100,000	$ 200,000		$ 200,000	$ 200,000
New Credit Facility [Member]
Debt Instrument, Basis Spread on Variable Rate	1.00%