INVESTMENTS (Schedule of available for sale reconciliation) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Amortized Cost Basis	$ 40,000	$ 40,000	$ 40,000	$ 40,000	$ 40,000	$ 40,000	$ 40,000	$ 40,000
Gross Unrealized Gains	104,326				73,800
Gross Unrealized Losses	(7,500)				(1,200)
Fair Value	136,826				112,600
MGM National Harbor [Member]
Amortized Cost Basis	40,000				40,000
Gross Unrealized Gains	104,326				73,800
Gross Unrealized Losses	(7,500)				(1,200)
Fair Value	$ 136,826				$ 112,600