ACCOUNTING POLICIES AND PRONOUNCEMENTS (Summary of Amortized Costs Basis) (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Ending balance as of June 30, 2020	$ 408,244
MUD receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Ending balance as of June 30, 2020	303,771
SID receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Ending balance as of June 30, 2020	40,963
TIF receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Ending balance as of June 30, 2020	4,032
Net investments in lease receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Ending balance as of June 30, 2020	2,772
Notes receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Ending balance as of June 30, 2020	$ 56,706