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Commitments and Contingent Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract] |
Schedule of water cost purchased | Purchased water costs are shown below:
|  | (Millions of Dollars) |
|  | Years Ended December 31, |
Purchased Water |  | 2018 |  |  | 2017 |  |  | 2016 |
Untreated |  | $ | 3.6 |  |  | $ | 2.8 |  |  | $ | 2.6 |
Treated |  |  | 3.2 |  |  |  | 3.3 |  |  |  | 3.2 |
Total Costs |  | $ | 6.8 |  |  | $ | 6.1 |  |  | $ | 5.8 |
Schedule of future minimum operating lease | The minimum annual future rental commitment under operating leases that have initial or remaining non-cancelable lease terms over the next 5 years and thereafter are as follows:
Year | (Millions of Dollars) Annual Maturities
2019 | $ 0.7
2020 | $ 0.8
2021 | $ 0.8
2022 | $ 0.8
2023 | $ 0.8
Thereafter | $ 5.3

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- Definition Tabular disclosure of arrangements in which the entity has agreed to procure goods or services from one or more suppliers. May include identification of the goods or services to be purchased, identity of the seller, pricing, effects on pricing for failing to reach minimum quantities required to be purchased (such as penalties), cancellation rights, and termination provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(19)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(17)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(25)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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