INVESTMENTS IN PARTNERSHIPS (Schedule of Balance Sheet Accounts Related to Equity Method Investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Solar Ventures Investment [Member]
Schedule of Equity Method Investments [Line Items]
Total assets	$ 827,816	$ 706,792
Other Liabilities	8,912	22,135
U.S. Real Estate Partnerships [Member]
Schedule of Equity Method Investments [Line Items]
Total assets	50,665	51,718
Debt	6,691	6,426
Other Liabilities	20,090	20,493
SAWHF
Schedule of Equity Method Investments [Line Items]
Total assets	17,104	56,356
Other Liabilities	$ 72	$ 130