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OTHER NON-CURRENT ASSETS, NET - Additional Information (Details) - USD ($)	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
OTHER NON-CURRENT ASSETS, NET
Other assets, allowance, written off	$ 0	$ 0

X

- Definition

Amount of increase in allowance for noncurrent asset, classified as other.

+ References

No definition available.

+ Details

Name:	cang_OtherAssetsAllowanceWrittenOff
Namespace Prefix:	cang_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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