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Revenue Recognition - Contract assets and liabilities and liabilities activity (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Revenue Recognition |  |
Contract assets | $ 0 | $ 2,861
Contract liabilities | 74,537 | $ 57,790
Change in contract assets | (2,861) |
Change in contract liabilities | $ 16,747 |
Change in contract assets (as percentage) | (100.00%) |
Change in contract liabilities (as percentage) | 29.00% |
Contract balances |  |
Beginning balance | $ 57,790 |
Additions | 27,471 |
Recognized in revenue | (10,654) |
Marketing activities recognized on a net basis | (70) |
Ending balance | $ 74,537 |

X
- Definition Amount of increase (decrease) in contract assets related to amounts invoiced offset by revenue recognized from performance obligations satisfied in the current reporting period. + References No definition available. + Details
Name: | evgo_ContractWithCustomerAssetIncreaseDecreaseForAmountsInvoicedOffsetByRevenueRecognizedFromPerformanceObligationsSatisfied
Namespace Prefix: | evgo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contract with customer liability decrease in marketing activities. + References No definition available. + Details
Name: | evgo_ContractWithCustomerLiabilityDecreaseInMarketingActivities
Namespace Prefix: | evgo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase (decrease) in contract liabilities related to customer activity associated with each of our product offerings including the receipt of cash payments and the satisfaction of our performance obligations. + References No definition available. + Details
Name: | evgo_ContractWithCustomerLiabilityIncreaseDecreaseForCustomerActivityAssociatedWithEachProductOfferingsIncludingReceiptOfCashPaymentsAndSatisfactionOfPerformanceObligations
Namespace Prefix: | evgo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contract with customer liability increase (decrease) for contract liability. + References No definition available. + Details
Name: | evgo_ContractWithCustomerLiabilityIncreaseForContractLiability
Namespace Prefix: | evgo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue recognized during the period. + References No definition available. + Details
Name: | evgo_ContractWithCustomerRevenueRecognized
Namespace Prefix: | evgo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the percentage of change in contract assets. + References No definition available. + Details
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Namespace Prefix: | evgo_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of change in contract liabilities. + References No definition available. + Details
Name: | evgo_PercentageOfChangeInContractLiabilities
Namespace Prefix: | evgo_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ChangeInContractWithCustomerLiabilityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130533-203044 + Details
Name: | us-gaap_ContractWithCustomerAssetNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130532-203044 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
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