Significant Accounting Policies - Narrative (Details)	12 Months Ended
	Dec. 31, 2025 USD ($) segment Rate shares	Dec. 31, 2024 USD ($) Rate shares	Dec. 31, 2023 USD ($) shares	Sep. 10, 2024 USD ($)	May 11, 2020 USD ($)
Significant Accounting Policies [Line Items]
Capitalized internal-use software development costs, impairment loss	$ 0
Number of reporting units | segment	1
Number of reportable segments | segment	1
Operating lease, impairment loss	$ 0	$ 0
Goodwill impairment loss	0	0	$ 0
Contract with customer, liability, revenue recognized	286,331,000
Remaining performance obligation	$ 1,096,662,000
Capitalized contract cost, amortization period (years)	4 years
Deferred sales commissions	$ 97,020,000	57,047,000
Amortization of deferred commissions	51,920,000	54,392,000	53,072,000
Severance and retirement costs	16,823,000	13,774,000	$ 11,707,000
Principal	$ 460,000,000	$ 711,494,000
Restricted Stock Units and Stock Options
Significant Accounting Policies [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares) | shares	8,562,690	7,645,858	8,824,701
Convertible Debt Securities
Significant Accounting Policies [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares) | shares	6,781,660	14,971,860	8,239,254
2025 Notes
Significant Accounting Policies [Line Items]
Principal	$ 0	$ 251,494,000
2025 Notes | Convertible Debt
Significant Accounting Policies [Line Items]
Interest rate, stated percentage					1.25%
Principal					$ 253,000,000
2029 Notes
Significant Accounting Policies [Line Items]
Principal	460,000,000	460,000,000
2029 Notes | Convertible Debt
Significant Accounting Policies [Line Items]
Interest rate, stated percentage				1.00%
Principal				$ 460,000
Foreign exchange forward contract derivatives in cash flow hedging relationships for revenues included in long-term other liabilities
Significant Accounting Policies [Line Items]
Restructuring reserve	$ 3,012,000	$ 2,952,000
United States | Deferred Salary Arrangement
Significant Accounting Policies [Line Items]
Defined contribution plan, employer matching contribution, percent of match	100.00%
Defined contribution plan, employer matching contribution, percent of participants contribution	50.00%
Israel | VSIL Plan
Significant Accounting Policies [Line Items]
Defined contribution plan, maximum annual contributions per employee, percent	8.33%
The 2013 Omnibus Equity Award Plan
Significant Accounting Policies [Line Items]
Vesting period (in years)	4 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Significant Accounting Policies [Line Items]
Percentage of remaining performance obligation expected to be recognize in next 12 months	54.00%
Remaining performance obligation, period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Significant Accounting Policies [Line Items]
Remaining performance obligation, period
Maintenance and services
Significant Accounting Policies [Line Items]
Revenue, performance obligation, description of timing	one year
Service Provider One
Significant Accounting Policies [Line Items]
Contractual minimum purchase commitment due in next 12 months	$ 4,892,000
Contractual minimum purchase commitment due thereafter	10,500,000
Service Provider Two
Significant Accounting Policies [Line Items]
Contractual minimum purchase commitment due in next 12 months	2,505,000
Contractual minimum purchase commitment due thereafter	3,820,000
Service Provider Three
Significant Accounting Policies [Line Items]
Contractual minimum purchase commitment due in next 12 months	23,872,000
Contractual minimum purchase commitment due thereafter	$ 377,620,000
Minimum | United States | Deferred Salary Arrangement
Significant Accounting Policies [Line Items]
Defined contribution plan, contributions, percentage of participants base pay	3.00%
Maximum | United States | Deferred Salary Arrangement
Significant Accounting Policies [Line Items]
Defined contribution plan, employer matching contribution, percent of base pay	3.00%
Defined contribution plan, contributions, percentage of participants base pay	5.00%
Participant matching contribution percentage of base remuneration	80.00%
United States of America, Dollars | Minimum
Significant Accounting Policies [Line Items]
Investment interest rate | Rate	4.23%	4.34%
United States of America, Dollars | Maximum
Significant Accounting Policies [Line Items]
Investment interest rate | Rate	4.55%	5.24%