Revenue - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Disaggregation of Revenue [Line Items]
Revenue recognized	$ 156,700
Revenue, remaining performance obligation, amount	2,700,000
Total revenues	$ 644,199	$ 612,056
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-04-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage (as percent)	55.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-04-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage (as percent)	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%
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%
Product
Disaggregation of Revenue [Line Items]
Total revenues	$ 12,200	$ 10,900

Revenue from contract with customer, subscription term.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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