RELATED PARTY TRANSACTIONS - Additional information (Details) - USD ($)		6 Months Ended
Jul. 07, 2020	Dec. 31, 2020
Related Party Transaction [Line Items]
Expenses incurred		$ 30,000
Promissory Note with Related Party
Related Party Transaction [Line Items]
Proceeds from Related Party Advances	$ 300,000
Repayment of advances from related party		185,047
Related Party Loans
Related Party Transaction [Line Items]
Maximum loans convertible into warrants		$ 1,500,000
Price of warrants (in dollars per share)		$ 1.00
Sponsor \| Maximum [Member]
Related Party Transaction [Line Items]
Expenses per month		$ 10,000

Maximum amount of Loans that may be convertible into warrants of the post-Business Combination entity.

No definition available.

Name:	rchg_MaximumLoansConvertibleIntoWarrants
Namespace Prefix:	rchg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a advances made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

+ References

No definition available.

+ Details

Name:	rchg_ProceedsFromRelatedPartyAdvances
Namespace Prefix:	rchg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Per month expenses resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

No definition available.

+ Details

Name:	rchg_RelatedPartyTransactionExpensesFromTransactionsWithRelatedPartyPerMonth
Namespace Prefix:	rchg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow for the payment of a advances made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

+ References

No definition available.

+ Details

Name:	rchg_RepaymentsOfRelatedPartyAdvances
Namespace Prefix:	rchg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Per unit price of warrants issued by the company.

+ References

No definition available.

+ Details

Name:	rchg_WarrantsPricePerUnit
Namespace Prefix:	rchg_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=rchg_RelatedPartyLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rchg_SponsorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
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Period Type: