INVESTMENTS IN PARTNERSHIPS (Schedule of Balance Sheet Accounts Related to Equity Method Investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Solar Ventures Investment [Member]
Schedule of Equity Method Investments [Line Items]
Total assets	$ 706,792	$ 279,960
Other Liabilities	22,135	12,833
U.S. Real Estate Partnerships [Member]
Schedule of Equity Method Investments [Line Items]
Total assets	51,718	56,238
Debt	6,426	6,530
Other Liabilities	20,493	32,165
SAWHF
Schedule of Equity Method Investments [Line Items]
Total assets	56,356	74,803
Other Liabilities	$ 130	$ 496