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Derivatives Hedges and Financial Instruments | 6 Months Ended
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Jun. 30, 2022
Derivative Instruments And Hedging Activities Disclosure [Abstract] |
Derivatives Hedges and Financial Instruments | 6. Derivatives, Hedges and Financial Instruments Natural Gas Contracts Periodically, we entered into certain forward natural gas contracts, which are accounted for on a mark-to-market basis. We are utilizing these natural gas contracts as economic hedges for risk management purposes but are not designated as hedging instruments. At June 30, 2022 and December 31, 2021, we had no outstanding natural gas contracts. When present the valuations of the natural gas contracts are classified as Level 2. For the three months ended June 30, 2021 we had no outstanding natural gas contracts. For the six months ended June 30, 2021, we recognized a gain of $2.7 million (includes a realized gain of $1.5 million), all of which was recognized in the first quarter. The gain is classified as a reduction of cost of sales. Financial Instruments At June 30, 2022 and December 31, 2021, we did not have any financial instruments with fair values materially different from their carrying amounts (which excludes issuance costs, if applicable) except for our Senior Secured Notes included in the table below. The carrying value of our Senior Secured Notes approximates fair value and is classified as a Level 2 fair value measurement. The fair value of financial instruments is not indicative of the overall fair value of our assets and liabilities since financial instruments do not include all assets, including intangibles and all liabilities.
|  | June 30, 2022 |  |  | December 31, 2021 |
|  | Carrying |  |  | Estimated |  |  | Carrying |  |  | Estimated |
|  | Amount |  |  | Fair Value |  |  | Amount |  |  | Fair Value |
|  | (In Millions) |
Senior Secured Notes (1) |  | $ | 700 |  |  | $ | 627 |  |  | $ | 500 |  |  | $ | 516 |
| (1) | Based on a quoted price of 89.50 at June 30, 2022 and 103.25 at December 31, 2021.

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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -URI https://asc.fasb.org/topic&trid=2229140 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126731327&loc=d3e90205-114008 + Details
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