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Tax Receivable Agreement (Details)	3 Months Ended
	Mar. 31, 2022
Tax Receivable Agreement
Percentage Of Net Cash Savings Owed Per Agreement	85.00%

X

- Definition

The percentage of net cash savings owed per agreement related to income taxes.

+ References

No definition available.

+ Details

Name:	evgo_PercentageOfNetCashSavingsOwedPerAgreement
Namespace Prefix:	evgo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	evgo_TaxReceivableAgreementAbstract
Namespace Prefix:	evgo_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration