INVESTMENTS IN PARTNERSHIPS (Schedule of Balance Sheet Accounts Related to Equity Method Investments) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Solar Ventures Investment [Member]
Schedule of Equity Method Investments [Line Items]
Total assets	$ 781,734	$ 706,792
Other Liabilities	14,360	22,135
U.S. Real Estate Partnerships [Member]
Schedule of Equity Method Investments [Line Items]
Total assets	51,237	51,718
Debt	6,657	6,426
Other Liabilities	20,536	20,493
SAWHF
Schedule of Equity Method Investments [Line Items]
Total assets	32,890	56,356
Other Liabilities	$ 339	$ 130