XML 55 R46.htm IDEA: XBRL DOCUMENT
v3.23.3

Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 335,149 | $ 441,296 | $ 933,265 | $ 1,492,695
Percentage of revenue recognized over time | 95.00% | 96.00% | 94.00% | 96.00%
United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 279,651 | $ 421,939 | $ 783,692 | $ 1,409,210
Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 15,535 | 11,416 | 46,335 | 40,429
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 39,963 | 7,941 | 103,238 | 43,056
Project revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 242,684 | 351,531 | 654,801 | 1,234,055
O&M revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 22,773 | 21,854 | 68,049 | 63,371
Energy assets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 44,259 | 41,682 | 135,037 | 123,033
Integrated-PV |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 11,615 | 13,616 | 35,045 | 37,239
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 13,818 | 12,613 | 40,333 | 34,997
U.S. Regions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 143,239 | 271,206 | 406,593 | 983,111
U.S. Regions | Project revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 120,297 | 251,338 | 338,119 | 928,616
U.S. Regions | O&M revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 6,353 | 5,936 | 18,191 | 16,473
U.S. Regions | Energy assets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 15,911 | 11,892 | 47,619 | 34,163
U.S. Regions | Integrated-PV |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 4 | 0 | 4 | 0
U.S. Regions | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 674 | 2,040 | 2,660 | 3,859
U.S. Federal |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 87,341 | 99,124 | 226,916 | 276,198
U.S. Federal | Project revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 71,779 | 83,878 | 181,232 | 231,945
U.S. Federal | O&M revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 13,838 | 13,524 | 40,439 | 39,186
U.S. Federal | Energy assets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 1,495 | 1,570 | 4,735 | 4,734
U.S. Federal | Integrated-PV |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
U.S. Federal | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 229 | 152 | 510 | 333
Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 17,534 | 12,366 | 51,140 | 43,999
Canada | Project revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 12,872 | 8,788 | 38,865 | 32,899
Canada | O&M revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 17 | 10 | 80 | 32
Canada | Energy assets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 1,274 | 1,264 | 3,370 | 3,512
Canada | Integrated-PV |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Canada | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 3,371 | 2,304 | 8,825 | 7,556
Alternative Fuels |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 27,319 | 29,421 | 85,974 | 87,874
Alternative Fuels | Project revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Alternative Fuels | O&M revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 2,073 | 2,251 | 8,054 | 7,361
Alternative Fuels | Energy assets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 25,227 | 26,956 | 77,901 | 80,513
Alternative Fuels | Integrated-PV |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Alternative Fuels | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 19 | 214 | 19 | 0
All Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 59,716 | 29,179 | 162,642 | 101,513
All Other | Project revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 37,736 | 7,527 | 96,585 | 40,595
All Other | O&M revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 492 | 133 | 1,285 | 319
All Other | Energy assets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 352 | 0 | 1,412 | 111
All Other | Integrated-PV |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 11,611 | 13,616 | 35,041 | 37,239
All Other | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 9,525 | $ 7,903 | $ 28,319 | $ 23,249

X
- Definition Revenues, Percentage Of Revenue Recognized Over Time + References No definition available. + Details
Name: | amrc_RevenuesPercentageOfRevenueRecognizedOverTime
Namespace Prefix: | amrc_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479941/924-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 4: 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 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-4 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=amrc_OtherCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=amrc_ProjectRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=amrc_OperationsAndMaintenanceRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=amrc_EnergyAssetsRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=amrc_IntegratedPVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=amrc_OtherRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=amrc_OtherUSRegionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=amrc_USFederalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=amrc_CanadaSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=amrc_AlternativeFuelsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |