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DEBT - Working Capital Facilities (Narrative) (Details) - Working Capital Facility - New Zealand JV
1 Months Ended 12 Months Ended
Jun. 30, 2019
NZD ($)
Dec. 31, 2019
USD ($)
Debt Instrument [Line Items]    
Debt instrument, term 12 months  
Maximum borrowing capacity $ 20,000,000  
Variable interest rate index term 90 days  
Borrowings   $ 0
Repayments   0
Outstanding balance   $ 0