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Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disaggregation of Revenue [Line Items] |  |  |
Revenues | $ 1,824,422 | $ 1,215,697 | $ 1,032,275
Percentage of revenue recognized over time | 96.00% | 95.00% | 94.00%
Project revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | $ 1,481,264 | $ 903,960 | $ 764,606
O&M revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 84,965 | 78,613 | 72,362
Energy assets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 162,091 | 151,251 | 118,197
Integrated-PV |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 49,696 | 41,202 | 39,112
Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 46,406 | 40,671 | 37,998
US Regions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 1,123,343 | 551,118 | 423,654
US Regions | Project revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 1,049,465 | 488,507 | 369,341
US Regions | O&M revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 22,217 | 21,551 | 18,633
US Regions | Energy assets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 47,372 | 39,433 | 33,792
US Regions | Integrated-PV |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 0 | 0 | 0
US Regions | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 4,289 | 1,627 | 1,888
U.S. Federal |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 391,891 | 392,948 | 377,882
U.S. Federal | Project revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 333,846 | 340,686 | 327,626
U.S. Federal | O&M revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 51,857 | 47,072 | 45,423
U.S. Federal | Energy assets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 5,822 | 4,913 | 4,358
U.S. Federal | Integrated-PV |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 0 | 0 | 0
U.S. Federal | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 366 | 277 | 475
Canada |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 58,558 | 49,483 | 47,757
Canada | Project revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 44,273 | 36,776 | 36,689
Canada | O&M revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 42 | 71 | 169
Canada | Energy assets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 4,447 | 4,532 | 4,069
Canada | Integrated-PV |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 0 | 0 | 0
Canada | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 9,796 | 8,104 | 6,830
Alternative Fuels |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 114,459 | 111,223 | 83,628
Alternative Fuels | Project revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 0 | 0 | 0
Alternative Fuels | O&M revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 10,377 | 9,288 | 7,848
Alternative Fuels | Energy assets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 104,082 | 101,811 | 75,168
Alternative Fuels | Integrated-PV |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 0 | 0 | 0
Alternative Fuels | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 0 | 124 | 612
All Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 136,171 | 110,925 | 99,354
All Other | Project revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 53,680 | 37,991 | 30,950
All Other | O&M revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 472 | 631 | 289
All Other | Energy assets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 368 | 562 | 810
All Other | Integrated-PV |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 49,696 | 41,202 | 39,112
All Other | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | $ 31,955 | $ 30,539 | $ 28,193

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- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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