COMMITMENTS - Underwriting Agreement (Details) - USD ($)	Dec. 31, 2020	Oct. 23, 2020
COMMITMENTS
Deferred fee per unit	$ 0.35
Deferred underwriting fee payable	$ 7,014,000	$ 7,014,000

The carrying value as of balance sheet date of underwriting compensation deferred, classified as noncurrent.

No definition available.

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