REAL ESTATE AND OTHER AFFILIATES (Relevant Financial Information) (Details) - The Summit - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Real Estate and Other Affiliates
Total Assets	$ 216.9		$ 216.9		$ 166.9
Total Liabilities	137.8		137.8		118.9
Total Equity	79.1		79.1		$ 48.0
Revenues	27.7	$ 14.2	88.6	$ 46.3
Net income	9.5	6.5	34.7	21.6
Gross Margin	$ 10.8	$ 7.7	$ 38.3	$ 26.4