v3.26.1
Revenue and Deferred Revenue (As Restated) - Remaining performance obligation (Details)
$ in Millions
Sep. 30, 2025
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue remaining performance obligation $ 30.3
Performance obligation not yet started 8.8
Network design and installation  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue remaining performance obligation 4.7
Internet network services and hardware and internet service  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue remaining performance obligation 25.6
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue remaining performance obligation $ 5.6
Expected timing of satisfaction 3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue remaining performance obligation $ 24.7
Expected timing of satisfaction 7 years