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Fair Value Measurements | 3 Months Ended
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Mar. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Fair Value Measurements | FAIR VALUE MEASUREMENTS Financial Instruments Investments We retained an interest in CSI Compressco representing approximately 3.7% of CSI Compressco’s outstanding common units as of March 31, 2023 and in December 2021, we invested in a $5.0 million convertible note issued by CarbonFree. In addition, we receive cash and stock of Standard Lithium under the terms of our arrangements as noted in Note 5 - “Investments.” Our investments in CSI Compressco and Standard Lithium are recorded in investments on our consolidated balance sheets based on the quoted market stock price (Level 1 fair value measurements). The stock component of consideration received from Standard Lithium is initially recorded as unearned income based on the quoted market price at the time the stock is received, then recognized in income over the contract term. Changes in the value of stock are recorded in other (income) expense, net in our consolidated statements of operations. Our investment in CarbonFree is recorded in our consolidated financial statements based on an internal valuation with assistance from a third-party valuation specialist (a Level 3 fair value measurement). The valuation is impacted by key assumptions, including the assumed probability and timing of potential debt or equity offerings. The convertible note includes an option to convert the note into equity interests issued by CarbonFree. The change in the fair value of the embedded option is included in other (income) expense, net in our consolidated statements of operations. The change in the fair value of the convertible note, excluding the embedded option, is included in other comprehensive income (loss) in our consolidated statements of comprehensive income. The change in our investment in CarbonFree for the three-month period ended March 31, 2023 is as follows:
| Three Months Ended March 31, 2023 |  |
| (in thousands)
Balance at beginning of period | $ | 6,139 |  |  |
Change in fair value of embedded option | (321) |  |  |
Change in fair value of convertible note, excluding embedded option | 121 |  |  |
Balance at end of period | $ | 5,939 |  |  |
Recurring fair value measurements by valuation hierarchy as of March 31, 2023 and December 31, 2022 are as follows:
|  |  |  | Fair Value Measurements Using
|  | Total as of |  | Quoted Prices in Active Markets for Identical Assets or Liabilities |  | Significant Other Observable Inputs |  | Significant Unobservable Inputs
Description |  | March 31, 2023 |  | (Level 1) |  | (Level 2) |  | (Level 3)
|  | (in thousands)
Investment in CSI Compressco |  | $ | 6,443 |  |  | $ | 6,443 |  |  | $ | — |  |  | $ | — |
Investment in CarbonFree |  | 5,939 |  |  | — |  |  | — |  |  | 5,939 |
Investment in Standard Lithium |  | 1,520 |  |  | 1,520 |  |  | — |  |  | — |
Investments |  | $ | 13,902 |  |  |  |  |  |  |
|  |  |  | Fair Value Measurements Using
|  | Total as of |  | Quoted Prices in Active Markets for Identical Assets or Liabilities |  | Significant Other Observable Inputs |  | Significant Unobservable Inputs
Description |  | December 31, 2022 |  | (Level 1) |  | (Level 2) |  | (Level 3)
|  | (in thousands)
Investment in CSI Compressco |  | $ | 6,967 |  |  | $ | 6,967 |  |  | $ | — |  |  | $ | — |
Investment in CarbonFree |  | 6,139 |  |  | — |  |  | — |  |  | 6,139 |
Investment in Standard Lithium |  | 1,180 |  |  | 1,180 |  |  | — |  |  | — |
Investments |  | $ | 14,286 |  |  |  |  |  |  |
Other The fair values of cash, restricted cash, accounts receivable, accounts payable, accrued liabilities, short-term borrowings and long-term debt pursuant to our Term Credit Agreement, ABL Credit Agreement, Argentina Credit Agreement, and Swedish Credit Agreement approximate their carrying amounts. See Note 6 - “Long-Term Debt and Other Borrowings” for further discussion.

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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 http://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 http://asc.fasb.org/extlink&oid=123477628&loc=d3e90205-114008 + Details
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