v3.26.3
Description of Organization and Business Operations - Armada - Interim - Additional Information (Detail) - USD ($)
 9 Months Ended 12 Months Ended
Nov. 04, 2025
Oct. 19, 2025
Aug. 28, 2025
Aug. 12, 2025
May 22, 2025
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Oct. 09, 2026
Oct. 08, 2026
Aug. 12, 2026
Jul. 27, 2026
Dec. 31, 2025
Sep. 09, 2025
Description Of Organization And Business Operations [Line Items]                            
Common stock, par value (in usd per share)           $ 0.001   $ 0.001         $ 0.001  
Common stock, outstanding (in shares)           1   1         1  
Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Date of incorporation           Oct. 03, 2024   Oct. 03, 2024            
Proceeds from issuance initial public offering         $ 230,000,000                  
Proceeds from issuance of private placement           $ 0 $ 7,100,000 $ 7,100,000            
Transaction costs         14,413,386                  
Payments for underwriting expense         $ 4,600,000                  
Underwriting Commitments         9,200,000                  
Other offering costs         $ 613,386                  
Common stock, par value (in usd per share)                           $ 0.10
Proceeds from issuance of warrants               3,565,000            
Cash and marketable securities held in Trust Account         $ 231,150,000 $ 241,164,305   $ 234,628,166            
Trust assets value per share         $ 10.05                  
Maturity period of government securities         185 days                  
Dissolution commitments         $ 100,000                  
Percentage of public shares to be redeemed in case of non-completion of business combination         100.00% 100.00%   100.00%            
Percentage of trust assets for acquisition         80.00%                  
Common stock voting rights   Each share of Pubco Class Common A Stock will be entitled to one vote per share                        
Common stock, outstanding (in shares)   0                        
Percentage of forfeited share   30.00%                        
Class of warrant or right, outstanding (in shares)           11,500,000   11,500,000            
Class of warrant or right, exercise price of warrants or rights (in usd per share)   $ 11.50       $ 11.50   $ 11.50            
Cash           $ 54,503   $ 361,105            
Working capital           $ 5,289,441   $ 929,898            
Delayed Funding Subscription Agreements | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Price per share (usd per share)   $ 10.00                        
Stock purchased during period shares (in shares)   200,000                        
Proceeds from issuance of common stock   $ 10,500,000                        
Series C Subscription Agreement | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Stock purchased during period shares (in shares)   211,319,096.061435                        
Ownership percentage attributed   19.90%                        
Ripple Group Subscription Agreement | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Stock purchased during period shares (in shares)   50,000,000                        
Ownership percentage attributed   9.90%                        
XRP Token | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Stock purchased during period shares (in shares)   600,000                        
Sponsor | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Stock purchased during period shares (in shares)         400,000                  
Subsequent Event | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Price per share (usd per share) $ 2.36609                          
Stock purchased during period shares (in shares) 84,365,876.3625                          
Class of warrant or right, exercise price of warrants or rights (in usd per share)   $ 11.50             $ 11.50          
Debt instrument outstanding                       $ 135,000    
Subsequent Event | Delayed Funding Subscription Agreements | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Price per share (usd per share)   $ 10.00                        
Stock purchased during period shares (in shares)   200,000                        
Proceeds from issuance of common stock   $ 10,500,000                        
Subsequent Event | Series C Subscription Agreement | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Price per share (usd per share)                     $ 10.00      
Stock purchased during period shares (in shares)   211,319,096.061435                        
Ownership percentage attributed   19.90%                        
Subsequent Event | Ripple Group Subscription Agreement | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Stock purchased during period shares (in shares)   50,000,000                        
Ownership percentage attributed   9.90%                        
Subsequent Event | Advance Funding Subscription Agreements | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Price per share (usd per share)                     $ 10.00      
Percentage of ownership in entity                     39.90%      
Subsequent Event | XRP Token | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Stock purchased during period shares (in shares)   600,000                        
Private placement warrants | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Proceeds from issuance of warrants     $ 6,600,000                      
Share-based compensation arrangement forfeitures in period (in shares)   60,000                        
Class of warrant or right, outstanding (in shares)   60,000 200,000     355,000   355,000            
Private placement warrants | New Sponsor | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Stock and warrants issued during period, value, preferred stock and warrants       $ 200,000                    
Proceeds from issuance of warrants       $ 6,600,000                    
Private placement warrants | Subsequent Event | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Class of warrant or right, outstanding (in shares)   60,000                        
Class A ordinary shares | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Common stock, par value (in usd per share)     $ 0.0001     $ 0.0001   $ 0.0001            
Common stock, outstanding (in shares)   120,000       710,000   710,000            
Share-based compensation arrangement forfeitures in period (in shares)   120,000                        
Class A ordinary shares | New Sponsor | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Stock issued during period shares new issues (in shares)       400,000                    
Common stock, par value (in usd per share)       $ 0.0001                    
Class A ordinary shares | Subsequent Event | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Common stock, par value (in usd per share)                   $ 0.0001        
Common stock, outstanding (in shares)   120,000                        
Class B ordinary shares | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Common stock, par value (in usd per share)     $ 0.0001     $ 0.0001   $ 0.0001            
Percentage of voting interest owned by parent     100.00%                      
Common stock, outstanding (in shares)   2,364,000       7,880,000   7,880,000            
Share-based compensation arrangement forfeitures in period (in shares)   2,364,000                        
Class B ordinary shares | New Sponsor | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Stock issued during period shares new issues (in shares)       7,880,000                    
Common stock, par value (in usd per share)       $ 0.0001                    
Class B ordinary shares | Subsequent Event | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Common stock, par value (in usd per share)                   $ 0.0001        
Common stock, outstanding (in shares)   2,364,000                        
Pubco Common Class A | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Price per share (usd per share)   $ 10                        
Common stock, par value (in usd per share)   $ 0.001                        
Proceeds from issuance of common stock   $ 214,050,000.00                        
Pubco Common Class A | Subsequent Event | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Price per share (usd per share)   $ 10.00                        
Common stock, par value (in usd per share)   $ 0.001                        
Proceeds from issuance of common stock   $ 214,050,000.00                        
Pubco Common Class B | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Common stock, par value (in usd per share)   $ 0.001                        
Pubco Common Class B | Subsequent Event | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Common stock, par value (in usd per share)   0.001                        
Pubco Common Class C | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Common stock, par value (in usd per share)   0.001                        
Pubco Common Class C | Subsequent Event | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Common stock, par value (in usd per share)   $ 0.001                        
IPO | Units | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Stock issued during period shares new issues (in shares)         23,000,000                  
Price per share (usd per share)         $ 10.00                  
Proceeds from issuance initial public offering         $ 230,000,000                  
Over-allotment option                            
Description Of Organization And Business Operations [Line Items]                            
Common stock, par value (in usd per share)         $ 10.00                  
Over-allotment option | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Price per share (usd per share)         0.0001                  
Common stock, par value (in usd per share)         $ 10.00                  
Over-allotment option | Units | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Share-based compensation arrangement by share-based payment award, options, exercises in period (in shares)         3,000,000                  
Private placement | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Stock issued during period shares new issues (in shares)         710,000                  
Price per share (usd per share)         $ 10.00                  
Proceeds from issuance of private placement         $ 7,100,000                  
Underwriting | Armada Acquisition Corp. II                            
Description Of Organization And Business Operations [Line Items]                            
Stock purchased during period shares (in shares)         310,000