Commitments and Contingencies	12 Months Ended
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Note 16 —Commitments and Contingencies Environmental Matters The Company is subject to federal, state, local and foreign environmental laws and regulations. The Company does not anticipate any expenditures to comply with such laws and regulations that would have a material impact on the Company’s consolidated financial position, results of operations or liquidity. The Company believes that its operations comply, in all material respects, with applicable federal, state, local and foreign environmental laws and regulations. Litigation, Claims and Contingencies The Company may become party to various legal actions that arise in the ordinary course of its business. The Company is also subject to audit by tax and other authorities for varying periods in various federal, state, local and foreign jurisdictions, and disputes may arise during the course of these audits. It is impossible to determine the ultimate liabilities that the Company may incur resulting from any of these lawsuits, claims, proceedings, audits, commitments, contingencies and related matters or the timing of these liabilities, if any. If these matters were to ultimately be resolved unfavorably, it is possible that such an outcome could have a material adverse effect upon the Company’s consolidated financial position, results of operations, or liquidity. The Company does not, however, anticipate such an outcome and it believes the ultimate resolution of these matters will not have a material adverse effect on the Company’s consolidated financial position, results of operations, or liquidity. Long-Term Take-or-Pay Natural Gas Purchase Contracts The Company has entered into two long-term CNG supply contracts to purchase CNG, on a take-or-pay basis, expiring in December 2020 and June 2022, respectively. As of December 31, 2019, the fixed commitments under these contracts totaled approximately $0.7 million, $0.2 million, and $0.1 million for the years ending December 31, 2020, 2021 and 2022, respectively. The Company has entered into quarterly fixed price natural gas purchase contracts with take-or-pay commitments extending through June 2023. As of December 31, 2019, the fixed commitments under these contracts totaled approximately $5.0 million, $1.2 million, $1.2 million, and $1.2 million for the years ending December 31, 2020, 2021, 2022, and 2023, respectively. Long-Term Natural Gas Supply Contract In June 2017, the Company’s subsidiary, NG Advantage, entered into an arrangement with BP for the supply, sale and transportation of CNG over a five -year period starting in December 2018 and expiring March 2022. The arrangement is customary and ordinary course and provides for the payment by the customer of a nonrefundable amount of $13.4 million to reserve a specified volume of CNG transportation capacity under the arrangement, which was collected during the year ended December 31, 2017. As of December 31, 2019, the commitments for the specified volume under this contract were estimated to be approximately $5.1 million, $12.5 million, and $11.1 million for the years ending December 31, 2020, 2021 and 2022, respectively.

Note 16 —Commitments and Contingencies

Environmental Matters

The Company is subject to federal, state, local and foreign environmental laws and regulations. The Company does not anticipate any expenditures to comply with such laws and regulations that would have a material impact on the Company’s consolidated financial position, results of operations or liquidity. The Company believes that its operations comply, in all material respects, with applicable federal, state, local and foreign environmental laws and regulations.

Litigation, Claims and Contingencies

The Company may become party to various legal actions that arise in the ordinary course of its business. The Company is also subject to audit by tax and other authorities for varying periods in various federal, state, local and foreign jurisdictions, and disputes may arise during the course of these audits. It is impossible to determine the ultimate liabilities that the Company may incur resulting from any of these lawsuits, claims, proceedings, audits, commitments, contingencies and related matters or the timing of these liabilities, if any. If these matters were to ultimately be resolved unfavorably, it is possible that such an outcome could have a material adverse effect upon the Company’s consolidated financial position, results of operations, or liquidity. The Company does not, however, anticipate such an outcome and it believes the ultimate resolution of these matters will not have a material adverse effect on the Company’s consolidated financial position, results of operations, or liquidity.

Long-Term Take-or-Pay Natural Gas Purchase Contracts

The Company has entered into two long-term CNG supply contracts to purchase CNG, on a take-or-pay basis, expiring in December 2020 and June 2022, respectively. As of December 31, 2019, the fixed commitments under these contracts totaled approximately $0.7 million, $0.2 million, and $0.1 million for the years ending December 31, 2020, 2021 and 2022, respectively.

The Company has entered into quarterly fixed price natural gas purchase contracts with take-or-pay commitments extending through June 2023. As of December 31, 2019, the fixed commitments under these contracts totaled approximately $5.0 million, $1.2 million, $1.2 million, and $1.2 million for the years ending December 31, 2020, 2021, 2022, and 2023, respectively.

Long-Term Natural Gas Supply Contract

In June 2017, the Company’s subsidiary, NG Advantage, entered into an arrangement with BP for the supply, sale and transportation of CNG over a five -year period starting in December 2018 and expiring March 2022. The arrangement is customary and ordinary course and provides for the payment by the customer of a nonrefundable amount of $13.4 million to reserve a specified volume of CNG transportation capacity under the arrangement, which was collected during the year ended December 31, 2017. As of December 31, 2019, the commitments for the specified volume under this contract were estimated to be approximately $5.1 million, $12.5 million, and $11.1 million for the years ending December 31, 2020, 2021 and 2022, respectively.