REAL ESTATE AND OTHER AFFILIATES (Relevant Financial Information) (Details) - The Summit - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Real Estate and Other Affiliates
Total Assets	$ 225.7		$ 225.7		$ 218.9
Total Liabilities	136.6		136.6		144.6
Total Equity	89.1		89.1		$ 74.3
Revenues	25.9	$ 27.7	84.1	$ 88.6
Net income	4.6	9.5	18.9	34.7
Gross Margin	$ 5.6	$ 10.8	$ 22.3	$ 38.3