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Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Summary of Disaggregation of Revenue

The following table presents our revenue disaggregated by line of business and reportable segment for the year ended December 31, 2023:

						U.S. Regions						U.S. Federal						Canada						Alternative Fuels						Europe						All Other						Total
Project revenue						$	465,342					$	342,238					$	53,737					$	—					$	138,730					$	1,250					$	1,001,297
O&M revenue						26,210						53,496						100						10,697						1,980						—						92,483
Energy assets						60,450						6,326						4,223						106,359						1,531						—						178,889
Integrated-PV						4						—						—						—						—						45,739						45,743
Other						5,116						824						12,050						19						10,601						27,611						56,221
Total revenues						$	557,122					$	402,884					$	70,110					$	117,075					$	152,842					$	74,600					$	1,374,633

The following table presents our revenue disaggregated by line of business and reportable segment for the year ended December 31, 2022:

						U.S. Regions						U.S. Federal						Canada						Alternative Fuels						Europe						All Other						Total
Project revenue						$	1,049,465					$	333,846					$	44,273					$	—					$	53,680					$	—					$	1,481,264
O&M revenue						22,217						51,857						42						10,377						471						1						84,965
Energy assets						47,372						5,822						4,447						104,082						368						—						162,091
Integrated-PV						—						—						—						—						—						49,696						49,696
Other						4,289						366						9,796						—						7,126						24,829						46,406
Total revenues						$	1,123,343					$	391,891					$	58,558					$	114,459					$	61,645					$	74,526					$	1,824,422

The following table presents our revenue disaggregated by line of business and reportable segment for the year ended December 31, 2021:

						U.S. Regions						U.S. Federal						Canada						Alternative Fuels						Europe						All Other						Total
Project revenue						$	488,507					$	340,686					$	36,776					$	—					$	37,970					$	21					$	903,960
O&M revenue						21,551						47,072						71						9,288						631						—						78,613
Energy assets						39,433						4,913						4,532						101,811						562						—						151,251
Integrated-PV						—						—						—						—						—						41,202						41,202
Other						1,627						277						8,104						124						7,001						23,538						40,671
Total revenues						$	551,118					$	392,948					$	49,483					$	111,223					$	46,164					$	64,761					$	1,215,697

See Note 16 for our revenue disaggregated by geographical region.

The following table presents information related to our revenue recognized over time:

						Year Ended December 31,
						2023						2022						2021
Percentage of revenue recognized over time						95		%				96		%				95		%

Summary of Contract Balances

The following table provides information about receivables, contract assets, and contract liabilities from contracts with customers:

			December 31, 2023						December 31, 2022
Accounts receivable, net			$	153,362					$	174,009
Accounts receivable retainage			33,826						38,057
Contract Assets
Costs and estimated earnings in excess of billings			636,163						576,363
Contract Liabilities
Billings in excess of cost and estimated earnings			52,903						34,796
Billings in excess of cost and estimated earnings, non-current (1)			18,393						7,617
Total contract liabilities			$	71,296					$	42,413
(1) Performance obligations that are expected to be completed beyond the next twelve months and are included in other liabilities in the consolidated balance sheets.

Summary of Project Development Costs on Projects Converted to Customer Contracts

The following table presents information related to our project development costs recognized in the consolidated statements of income on projects that converted to customer contracts:

			Year Ended December 31,
			2023						2022						2021
Project development costs recognized			$	13,051					$	15,507					$	12,737

X

- Definition

Tabular disclosure of cost capitalized in obtaining or fulfilling contract with customer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 340
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479483/340-40-50-3

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- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-10

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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

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