Organization and Business Operations - Additional Information (Detail) - USD ($)			4 Months Ended
	Oct. 06, 2025	Sep. 30, 2025	Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Gross proceeds			$ 25,000
Proceeds from issuance or sale of equity			$ 25,000
Private Placement [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Sale of stock, number of shares issued in transaction		350,000
Warrant [Member] | Class A ordinary shares [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Shares issued price per share		$ 11.5	$ 11.5
Subsequent Event [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Other ownership interests, offering costs	$ 582,284
Investment owned, net assets, percentage	80.00%
Price per public share	$ 10
Dissolution expense limit	$ 100,000
Share price condition for lock-up release per share	$ 12
Percentage of outstanding voting securities	50.00%
Subsequent Event [Member] | Minimum [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Price per public share trust account	$ 10
Price per public share liquidation of trust account	$ 10
Subsequent Event [Member] | Cash Underwriting Fee [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Payments for underwriting expense	$ 4,600,000
Subsequent Event [Member] | Deferred Underwriting Fee [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Payments for underwriting expense	8,050,000
Subsequent Event [Member] | Securities Financing Transaction, Cost [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Asset acquisition, consideration transferred, transaction cost	$ 13,232,284
Subsequent Event [Member] | Private Placement [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Sale of stock, number of shares issued in transaction	660,000
Sale of stock, price per share	$ 10
Proceeds from issuance of private placement	$ 6,600,000
Subsequent Event [Member] | Private Placement [Member] | Range Capital Acquisition Sponsor [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Sale of stock, number of shares issued in transaction	430,000
Subsequent Event [Member] | Private Placement [Member] | BTIG [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Sale of stock, number of shares issued in transaction	230,000
Subsequent Event [Member] | IPO [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Gross proceeds	$ 230,000,000
Sale of stock, price per share	$ 10
Proceeds from issuance or sale of equity	$ 230,000,000
Subsequent Event [Member] | Common Stock [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Shares issued price per share	$ 10
Gross proceeds	$ 230,000,000
Proceeds from issuance or sale of equity	$ 230,000,000
Subsequent Event [Member] | Common Stock [Member] | IPO [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Stock issued during period, shares, new issues	23,000,000
Subsequent Event [Member] | Common Stock [Member] | Over-Allotment Option [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Stock issued during period, shares, new issues	3,000,000
Subsequent Event [Member] | Warrant [Member] | Class A ordinary shares [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Shares issued price per share	$ 11.5