v3.26.3
Segment Information - Armada - Annual - Additional Information (Detail)
4 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2025
segment
Jun. 30, 2026
segment
Segment
Sep. 30, 2025
Segment
Segment Reporting [Line Items]      
Number of reportable segments | segment 1 1  
Armada Acquisition Corp. II      
Segment Reporting [Line Items]      
Number of reportable segments | Segment   1 1