INVESTMENTS IN PARTNERSHIPS (Schedule of Real Estate Investment Partnerships) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Total investments in partnerships	$ 316,677	$ 155,079
Solar Ventures Investment [Member]
Schedule of Equity Method Investments [Line Items]
Total investments in partnerships	289,123	126,339
U.S. Real Estate Partnerships [Member]
Schedule of Equity Method Investments [Line Items]
Total investments in partnerships	19,822	19,961
U.S. Real Estate Partnerships [Member] | Variable Interest Entity, Not Primary Beneficiary, Disclosure [Member]
Schedule of Equity Method Investments [Line Items]
Total investments in partnerships	0	898
SAWHF
Schedule of Equity Method Investments [Line Items]
Total investments in partnerships	$ 7,732	$ 8,779