SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Condensed Consolidated Statements of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended | 9 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Jun. 30, 2026 |
Mar. 31, 2026 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||||
| Selling, general and administrative | $ 12,432 | $ 11,316 | $ 36,524 | $ 38,197 | ||||||
| Depreciation, amortization, and accretion | 5,040 | $ 4,823 | $ 5,269 | 5,223 | $ 5,093 | $ 10,093 | $ 11,035 | 15,133 | 16,258 | |
| Loss from equity method investments | (1,293) | 278 | 1,438 | (839) | (2,164) | $ 520 | 1,716 | (1,644) | 423 | (2,483) |
| Total operating expenses | 70,660 | 80,826 | 71,698 | 78,501 | 80,882 | 86,748 | 152,524 | 167,630 | 223,184 | 246,129 |
| Operating loss | 8,831 | 2,573 | 1,677 | 4,856 | (426) | (1,341) | 4,250 | (1,767) | 13,081 | 3,091 |
| Loss before income taxes | 1,660 | (3,301) | (4,782) | (1,913) | (5,726) | (6,152) | (11,878) | (6,423) | (13,789) | |
| Provision for income taxes | 0 | (183) | 0 | (183) | 0 | |||||
| Net income (loss) | 1,660 | (3,484) | (4,782) | (1,913) | (5,726) | (6,152) | (8,266) | (11,878) | (6,606) | (13,789) |
| Net loss attributable to redeemable non-controlling interests | (4,501) | (6,588) | (11,897) | (3,847) | (7,081) | (7,367) | (18,485) | (14,448) | (22,984) | (18,295) |
| Net loss attributable to Class A common stockholders | (942) | (1,386) | (2,501) | (776) | (1,422) | (1,478) | (3,887) | (2,899) | (4,832) | (3,674) |
| Comprehensive income (loss) | $ 3,933 | (2,157) | (3,567) | $ (1,996) | $ (6,062) | $ (6,717) | $ (5,724) | $ (12,779) | $ (1,791) | $ (14,773) |
| Per share amounts: | ||||||||||
| Basic (in dollars per share) | $ (0.03) | $ (0.03) | $ (0.05) | $ (0.05) | $ (0.13) | $ (0.10) | $ (0.17) | $ (0.13) | ||
| Diluted (in dollars per share) | $ (0.03) | $ (0.03) | $ (0.05) | $ (0.05) | $ (0.13) | $ (0.10) | $ (0.17) | $ (0.13) | ||
| Maximum | ||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||||
| Selling, general and administrative | 15,036 | $ 13,651 | $ 17,432 | $ 15,568 | $ 29,310 | $ 33,000 | $ 36,524 | $ 46,650 | ||
| Loss before income taxes | (8,083) | (6,423) | ||||||||
| Provision for income taxes | 0 | 0 | 0 | 0 | (183) | 0 | (183) | 0 | ||
| Net loss attributable to redeemable non-controlling interests | (22,984) | |||||||||
| Net loss attributable to Class A common stockholders | (4,832) | |||||||||
| RNG fuel | ||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||||
| Cost of sales – RNG fuel | $ 9,138 | 13,466 | 27,496 | 41,216 | ||||||
| RNG fuel | Maximum | ||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||||
| Cost of sales – RNG fuel | 9,138 | 7,361 | 7,120 | 14,481 | ||||||
| As Previously Reported | ||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||||
| Depreciation, amortization, and accretion | 5,384 | 5,167 | 5,613 | 5,566 | 5,264 | 10,780 | 11,206 | 16,164 | 16,772 | |
| Loss from equity method investments | (974) | 597 | 1,757 | (637) | (1,962) | 722 | 2,354 | (1,240) | 1,380 | (1,877) |
| Total operating expenses | 78,605 | 86,410 | 78,218 | 79,769 | 81,283 | 87,349 | 164,628 | 168,632 | 243,232 | 248,401 |
| Operating loss | 886 | (3,011) | (4,843) | 3,588 | (827) | (1,942) | (7,854) | (2,769) | (6,967) | 819 |
| Loss before income taxes | (6,285) | (8,885) | (11,302) | (3,181) | (6,127) | (6,753) | (12,880) | (16,061) | ||
| Provision for income taxes | 7,282 | 4,738 | ||||||||
| Net income (loss) | 997 | (4,147) | (5,593) | 11,386 | 7,559 | 1,284 | (9,740) | 8,843 | (8,742) | 20,229 |
| Net loss attributable to redeemable non-controlling interests | (5,085) | (7,136) | (12,567) | 7,226 | 3,982 | (1,174) | (19,703) | 2,808 | 10,034 | |
| Net loss attributable to Class A common stockholders | (1,021) | (1,501) | (2,642) | 1,450 | 800 | (235) | (4,143) | 565 | 2,015 | |
| Comprehensive income (loss) | 3,270 | (2,820) | (4,378) | $ 11,306 | $ 7,223 | $ 719 | $ (7,198) | $ 7,942 | $ (3,927) | $ 19,245 |
| Per share amounts: | ||||||||||
| Basic (in dollars per share) | $ 0.05 | $ 0.03 | $ (0.01) | $ (0.14) | $ 0.02 | $ (0.18) | $ 0.07 | |||
| Diluted (in dollars per share) | $ 0.05 | $ 0.03 | $ (0.01) | $ (0.14) | $ 0.02 | $ (0.18) | $ 0.07 | |||
| As Previously Reported | Maximum | ||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||||
| Selling, general and administrative | 15,184 | $ 14,376 | $ 17,460 | $ 15,967 | $ 29,458 | $ 33,427 | $ 36,672 | $ 47,803 | ||
| Loss before income taxes | (20,187) | (26,471) | ||||||||
| Provision for income taxes | 5,709 | 14,567 | 13,686 | 8,037 | 10,447 | 21,723 | 17,729 | 36,290 | ||
| Net loss attributable to redeemable non-controlling interests | (24,943) | |||||||||
| Net loss attributable to Class A common stockholders | (5,009) | |||||||||
| As Previously Reported | RNG fuel | ||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||||
| Cost of sales – RNG fuel | 45,408 | |||||||||
| As Previously Reported | RNG fuel | Maximum | ||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||||
| Cost of sales – RNG fuel | 16,420 | 12,282 | 12,829 | 25,111 | ||||||
| Effect of Change | ||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||||
| Depreciation, amortization, and accretion | (344) | (344) | (344) | (343) | (171) | (687) | (171) | (1,031) | (514) | |
| Loss from equity method investments | (319) | (319) | (319) | (202) | (202) | (202) | (638) | (404) | (957) | (606) |
| Total operating expenses | (7,945) | (5,584) | (6,520) | (1,268) | (401) | (601) | (12,104) | (1,002) | (20,048) | (2,272) |
| Operating loss | 7,945 | 5,584 | 6,520 | 1,268 | 401 | 601 | 12,104 | 1,002 | 20,048 | 2,272 |
| Loss before income taxes | 7,945 | 5,584 | 6,520 | 1,268 | 401 | 601 | 1,002 | 2,272 | ||
| Provision for income taxes | (7,282) | (4,921) | ||||||||
| Net income (loss) | 663 | 663 | 811 | (13,299) | (13,285) | (7,436) | 1,474 | (20,721) | 2,136 | (34,018) |
| Net loss attributable to redeemable non-controlling interests | 584 | 548 | 670 | (11,073) | (11,063) | (6,193) | 1,218 | (17,256) | (28,329) | |
| Net loss attributable to Class A common stockholders | 79 | 115 | 141 | (2,226) | (2,222) | (1,243) | 256 | (3,464) | $ (5,689) | |
| Comprehensive income (loss) | 663 | 663 | 811 | $ (13,302) | $ (13,285) | $ (7,436) | $ 1,474 | $ (20,721) | $ 2,136 | |
| Per share amounts: | ||||||||||
| Basic (in dollars per share) | $ (0.08) | $ (0.08) | $ (0.04) | $ 0.01 | $ (0.12) | $ 0.01 | $ (0.20) | |||
| Diluted (in dollars per share) | $ (0.08) | $ (0.08) | $ (0.04) | $ 0.01 | $ (0.12) | $ 0.01 | $ (0.20) | |||
| Effect of Change | Maximum | ||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||||
| Selling, general and administrative | (148) | $ (725) | $ (28) | $ (399) | $ (148) | $ (427) | $ (148) | $ (1,153) | ||
| Loss before income taxes | 12,104 | 20,048 | ||||||||
| Provision for income taxes | (5,709) | $ (14,567) | $ (13,686) | $ (8,037) | (10,630) | $ (21,723) | (17,912) | (36,290) | ||
| Net loss attributable to redeemable non-controlling interests | 1,959 | |||||||||
| Net loss attributable to Class A common stockholders | 177 | |||||||||
| Comprehensive income (loss) | $ (34,018) | |||||||||
| Effect of Change | RNG fuel | ||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||||
| Cost of sales – RNG fuel | $ (17,912) | |||||||||
| Effect of Change | RNG fuel | Maximum | ||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||||
| Cost of sales – RNG fuel | $ (7,282) | $ (4,921) | $ (5,709) | $ (10,630) | ||||||
| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of Net Income (Loss) attributable to redeemable noncontrolling interest. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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