Commitments (Details Narrative)	Dec. 31, 2024 USD ($) $ / shares
Commitments
Deferred underwriting fee per unit \| $ / shares	$ 0.35
Deferred underwriting fee payable noncurrent \| $	$ 6,475,000

Per share amount of unit value of stock classified as deferred underwriting fees.

No definition available.

Name:	corner_DeferredUnderwritingFeePerUnit
Namespace Prefix:	corner_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant