v3.26.1
Fair Value Measurements - Schedule of Hierarchy Assets Measured at Fair Value (Details) - USD ($)
3 Months Ended
11 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Level 1 [Member]
Assets:
Money market mutual funds
$ 310,762,514
$ 308,053,817
X
- Definition
Amount of money market mutual funds.
+ References
No definition available.
+ Details
Name:
rdag_MoneyMarketMutualFunds
Namespace Prefix:
rdag_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_AssetsAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- Details
Name:
us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type: