ACCOUNTING POLICIES AND PRONOUNCEMENTS (Summary of Amortized Costs Basis) (Details) $ in Thousands	Mar. 31, 2020 USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items]
Collection experience	$ 371,310
MUD receivables
Financing Receivable, Allowance for Credit Losses [Line Items]
Collection experience	286,157
SID receivables
Financing Receivable, Allowance for Credit Losses [Line Items]
Collection experience	42,103
TIF receivables
Financing Receivable, Allowance for Credit Losses [Line Items]
Collection experience	3,853
Net investments in lease receivable
Financing Receivable, Allowance for Credit Losses [Line Items]
Collection experience	2,950
Notes receivable
Financing Receivable, Allowance for Credit Losses [Line Items]
Collection experience	$ 36,247