SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Accrued Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Capital expenditures accrued	$ 9,213	$ 42,160
Direct operating expenses accrued	19,638	22,119
Sourced water purchases accrued	2,524	9,531
Interest expense accrued	5,866	627
Other	24	2,188
Total accrued liabilities	$ 37,265	$ 76,625

Accrued Capital Expenditures, Current

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- Definition

Accrued Direct Operating Expense, Current

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- Definition

Accrued Sourced Water Purchases, Current

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are due within one year or operating cycle, if longer, from the balance sheet date.

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-Name Accounting Standards Codification
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