v3.26.1
Revenue - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]        
Revenue recognized $ 55,500   $ 212,200  
Revenue, remaining performance obligation, amount 2,700,000   2,700,000  
Total revenues $ 657,011 $ 620,398 $ 1,301,210 $ 1,232,454
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01        
Disaggregation of Revenue [Line Items]        
Revenue, remaining performance obligation, percentage (as percent) 55.00%   55.00%  
Revenue, remaining performance obligation, expected timing of satisfaction, period 12 months   12 months  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-07-01        
Disaggregation of Revenue [Line Items]        
Revenue, remaining performance obligation, percentage (as percent) 45.00%   45.00%  
Revenue, remaining performance obligation, expected timing of satisfaction, period    
Minimum        
Disaggregation of Revenue [Line Items]        
Remaining performance obligations subscription term     1 month  
Maximum        
Disaggregation of Revenue [Line Items]        
Remaining performance obligations subscription term     5 years  
RingEX and RingCentral Contact Center Solutions | Revenue from Contract with Customer Benchmark | Product Concentration Risk        
Disaggregation of Revenue [Line Items]        
Concentration risk (as percent) 90.00% 90.00% 90.00% 90.00%
RingCentral Contact Center Solutions | Revenue from Contract with Customer Benchmark | Product Concentration Risk        
Disaggregation of Revenue [Line Items]        
Concentration risk (as percent) 10.00% 10.00% 10.00% 10.00%
Product        
Disaggregation of Revenue [Line Items]        
Total revenues $ 13,000 $ 12,700 $ 25,200 $ 23,600