TAXES, Tax Jurisdiction (Details)  | 
12 Months Ended | 
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Mar. 31, 2020  | |
| United States | |
| Taxes [Abstract] | |
| Open tax year | 2018 | 
| U.K. | |
| Taxes [Abstract] | |
| Open tax year | 2017 | 
| Guyana | |
| Taxes [Abstract] | |
| Open tax year | 2013 | 
| Nigeria | |
| Taxes [Abstract] | |
| Open tax year | 2012 | 
| Trinidad | |
| Taxes [Abstract] | |
| Open tax year | 2010 | 
| Australia | |
| Taxes [Abstract] | |
| Open tax year | 2016 | 
| Norway | |
| Taxes [Abstract] | |
| Open tax year | 2016 | 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Tax year that remains open to examination under enacted tax laws, in CCYY format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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