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Fair Value Measurements (Tables) | 3 Months Ended
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Mar. 31, 2023
Fair value |
Schedule of carrying value and estimated fair value of debt instruments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) |  | March 31, 2023 |  | December 31, 2022
Carrying amount of fixed rate debt (1) | ​ | $ | 1,297,274 | ​ | $ | 1,297,084
Fair value of fixed rate debt | ​ |  | 1,259,000 | ​ |  | 1,214,000
(1) Carrying amounts are shown net of unamortized premium and deferred financing costs. See Note 5 (“Long-Term Debt”).
Compressors |
Fair value |
Schedule of significant unobservable inputs | ​
​ | ​ | ​ | ​ | ​
​ |  | Range |  | Weighted Average (1)
Estimated net sale proceeds: | ​ | ​ | ​ | ​
As of March 31, 2023 | ​ | $0 - $621 per horsepower | ​ | $53 per horsepower
As of December 31, 2022 | ​ | $0 - $621 per horsepower | ​ | $47 per horsepower
(1) | Calculated based on an estimated discount for market liquidity of 44% and 51% as of March 31, 2023 and December 31, 2022, respectively.
​
Schedule of non-recurring fair value assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) |  | ​ | ​ | March 31, 2023 | ​ | December 31, 2022
Impaired compressors | ​ | ​ | ​ | $ | 448 | ​ | $ | 1,961
​
Ecotec | Equity investment |
Fair value |
Schedule of significant unobservable inputs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Significant Unobservable Inputs | ​ | ​ | Range | ​ | ​ | Median
Valuation technique: |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Discounted cash flow | ​ | WACC | ​ | 0% - 22.1% | ​ | ​ | 11.3%
Guideline public company | ​ | Revenue multiple | ​ | 1.7x - 8.0x | ​ | ​ | 3.9x
​
Schedule of changes in assets measured at fair value on a recurring basis | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended
​ | ​ | March 31,
(in thousands) | ​ | ​ | 2023 | ​ | ​ | 2022
Balance at beginning of period |  | $ | 12,803 |  | $ | —
Purchases of equity interests | ​ | ​ | 2,000 | ​ | ​ | —
Unrealized loss (1) | ​ | ​ | (254) | ​ | ​ | —
Balance at end of period | ​ | $ | 14,549 | ​ | $ | —
(1) | Included in other expense (income) in our unaudited condensed consolidated statement of operations.
​

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- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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