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BUSINESS DESCRIPTION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Non-Current Assets Held for Sale (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Long Lived Assets Held-for-sale [Line Items]      
Term of contract 15 years 10 years  
Non-current assets held for sale $ 5,276   $ 6,572
Land      
Long Lived Assets Held-for-sale [Line Items]      
Non-current assets held for sale 1,700   1,700
Buildings      
Long Lived Assets Held-for-sale [Line Items]      
Non-current assets held for sale $ 3,600   $ 4,900