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Summary of Significant Accounting Policies (Details) MT in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 31, 2016 | Dec. 31, 2023 USD ($) segment MT shares | Dec. 31, 2022 USD ($) shares | Dec. 31, 2021 USD ($) shares | Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($)
Significant accounting policies |  |  |  |  |  |
Number of reportable segments | segment |  | 1 |  |  |  |
Stepdown from baseline levels, final rule |  | 10.00% |  |  |  |
Cumulative reduction in baseline, subsequent allowance |  | 40.00% |  |  |  |
Allocation allowance received | MT |  | 3 |  |  |  |
Allocation allowance received as a percentage of total HFC consumption |  | 1.00% |  |  |  |
Goodwill impairment loss |  | $ 0 | $ 0 | $ 0 |  |
Cylinder deposit liability |  | 17,200,000 | 13,600,000 |  |  |
Contract term | 5 years |  |  |  |  |
Management services revenue |  | $ 289,025,000 | 325,225,000 | $ 192,748,000 |  |
Renewal term | 5 years |  |  |  |  |
Deferred tax assets, valuation allowance |  |  | $ 3,500,000 |  | $ 11,600,000 | $ 15,100,000
Effective tax rate |  | 25.00% | 11.00% | 3.00% |  |
Options excluded from the calculation of diluted shares | shares |  | 17,172 | 28,467 | 2,583,523 |  |
Impairment of long lived assets |  | $ 2,120,000 |  |  |  |
Management Service |  |  |  |  |  |
Significant accounting policies |  |  |  |  |  |
Management services revenue |  | 2,400,000 | $ 2,300,000 | $ 2,200,000 |  |
Federal |  |  |  |  |  |
Significant accounting policies |  |  |  |  |  |
Operating loss carryforwards |  | 0 | 0 |  |  |
Current year utilization comprise of deferred tax |  |  | $ 29,300,000 |  |  |
State |  |  |  |  |  |
Significant accounting policies |  |  |  |  |  |
Operating loss carryforwards |  | $ 1,800,000 |  |  |  |
Customer Concentration Risk | No Customer | Revenue from Contract with Customer |  |  |  |  |  |
Significant accounting policies |  |  |  |  |  |
Concentration risk percentage |  |  | 10.00% |  |  |
Customer Concentration Risk | One Customer | Revenue from Contract with Customer |  |  |  |  |  |
Significant accounting policies |  |  |  |  |  |
Concentration risk percentage |  |  | 10.00% | 10.00% |  |
Customer Concentration Risk | One Customer | Revenue from Contract with Customer | Minimum |  |  |  |  |  |
Significant accounting policies |  |  |  |  |  |
Concentration risk percentage |  | 10.00% |  |  |  |
Customer Concentration Risk | One Customer | Accounts Receivable |  |  |  |  |  |
Significant accounting policies |  |  |  |  |  |
Concentration risk percentage |  | 10.00% |  | 10.00% |  |

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