Annual Volume of Allowable Water Sales

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- Definition

Represents the value of reclamation deposits and surety bonds as of the balance sheet date.

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Represents the value of surety bonds secured by an insurer as of the balance sheet date.

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No definition available.

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- Definition

Water Rights Volume Disputed

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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.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

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The total number of new claims filed pertaining to a loss contingency during the period.

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Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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COMMITMENTS AND CONTINGENCIES (Narrative) (Details)	1 Months Ended		12 Months Ended
COMMITMENTS AND CONTINGENCIES (Narrative) (Details)	Jan. 31, 2018 Lawsuit	Jul. 31, 2016 Lawsuit	Dec. 31, 2019 USD ($) acre ft	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Reclamation Deposits and Surety Bonds
Security placed with the State of Utah and the BLM			$ 22,300,000	$ 19,000,000
Long-term restricted cash deposits			486,000	482,000	$ 481,000
Surety bonds issued by an insurer			21,800,000	$ 18,500,000
Mosaic Lawsuit [Member]
Loss Contingencies [Line Items]
loss contingency recorded			0
Mosaic Lawsuit [Member] \| Minimum [Member]
Loss Contingencies [Line Items]
Number of lawsuit \| Lawsuit	1	2
Mosaic Lawsuit [Member] \| Minimum [Member] \| Compensatory Damages [Member]
Loss Contingencies [Line Items]
Estimate of possible Loss			23,000,000
Mosaic Lawsuit [Member] \| Minimum [Member] \| Exemplary Damages [Member]
Loss Contingencies [Line Items]
Estimate of possible Loss			28,000,000
Mosaic Lawsuit [Member] \| Maximum [Member] \| Compensatory Damages [Member]
Loss Contingencies [Line Items]
Estimate of possible Loss			28,000,000
Mosaic Lawsuit [Member] \| Maximum [Member] \| Exemplary Damages [Member]
Loss Contingencies [Line Items]
Estimate of possible Loss			$ 37,000,000
Protestants Expedited Inter Se Proceeding [Member]
Loss Contingencies [Line Items]
Water rights, volume disputed \| acre ft			20,000
Annual allowable water sales, volume \| acre ft			5,700