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Segment Information - Summary of Revenue by Major Customers (Detail) - Customer Concentration Risk [Member] - Revenue Benchmark [Member]	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Customer A [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage	19.10%	40.60%
Customer B [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage	13.40%	12.80%
Customer C [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage	10.90%	12.80%
Customer D [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage		10.90%
RNG [Member] | Customer A [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage	19.10%	40.60%
RNG [Member] | Customer B [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage	13.40%	12.80%
RNG [Member] | Customer C [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage	10.90%	12.80%
REG [Member] | Customer D [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage		10.90%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-42

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
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-Publisher FASB
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 275
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
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-URI https://asc.fasb.org/1943274/2147482861/275-10-50-20

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- Definition

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+ References

No definition available.

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