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SUBSEQUENT EVENTS - (Details) - USD ($) $ in Millions | Oct. 31, 2018 | Nov. 07, 2018 | Sep. 30, 2018
--- | --- | --- | ---
Senior revolving credit facility |  |  |
SUBSEQUENT EVENTS |  |  |
Borrowing capacity |  |  | $ 200.0
Subsequent events | Senior revolving credit facility |  |  |
SUBSEQUENT EVENTS |  |  |
Borrowing capacity |  | $ 275.0 |
Purchase and Sale Agreement | Subsequent events | Water Infrastructure Assets |  |  |
SUBSEQUENT EVENTS |  |  |
Maximum sale price | $ 325.0 |  |
Cash price payable at closing | 200.0 |  |
Incentives payable per year if certain thresholds are met | $ 25.0 |  |
Deferred period of sale price based on certain thresholds | 5 years |  |
Transition services period | 2 months |  |
Transition services period to install additional water service and treating infrastructure | 6 months |  |
Amount that will not be paid until definitive agreement is executive | $ 30.0 |  |

X
- Definition Total price of the sale of assets, including proceeds contingent on annual incentive thresholds per agreement. + References No definition available. + Details
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- Definition Amount of sale price of assets that is withheld by buyer until definite agreement is executed. + References No definition available. + Details
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- Definition Period of the operation of the assets sold whereby the entity operates the assets sold , in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The period the operation of the asset sold whereby the entity operations the assets sold in order additional capacity, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The period over which the amount of agreed contingent cash price of sale of assets is paid, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of agreed contingent cash price of sale of assets payable per year over a certain period per agreement. + References No definition available. + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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