Stockholders' Equity and Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands	1 Months Ended			3 Months Ended		6 Months Ended
	Mar. 31, 2025	Feb. 29, 2024 USD ($)	Sep. 30, 2021 target $ / shares shares	Jun. 30, 2025 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) $ / shares shares	Jun. 30, 2025 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) $ / shares shares	Nov. 30, 2024 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase and retirement of common stock, including excise tax				$ 114,683		$ 226,660
Issuance of common stock under employee stock purchase plan, net of shares withheld and retired for taxes (in shares) \| shares				280,870	308,059	280,870	308,059
Aggregate net proceeds						$ 3,307	$ 3,630
Share-based payment arrangement, expense				$ 49,280	$ 55,139	$ 100,944	107,581
Share Repurchase Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share repurchase, authorized								$ 400,000
Repurchase and retirement of common stock, including excise tax (in shares) \| shares				8,180,399		14,912,789
Repurchase and retirement of common stock, including excise tax				$ 113,600		$ 225,400
Average price (in dollars per share) \| $ / shares				$ 13.89		$ 15.11
Remained available for future share				$ 159,100		$ 159,100
Executive Chairman
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense				$ 4,200	$ 5,800	$ 9,400	$ 7,700
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price of common stock in percent						85.00%
Offering period						24 months
Weighted average purchase price (in dollars per share) \| $ / shares				$ 11.84	$ 11.85	$ 11.84	$ 11.85
Aggregate net proceeds				$ 3,300	$ 3,600	$ 3,300	$ 3,600
ESPP offering period						24 months
Share-based payment arrangement, expense				1,100	1,300	$ 2,000	2,500
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term						10 years
Award vesting period						4 years
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period						4 years
Total grant date fair value of vested RSUs				50,400	43,500	$ 106,000	88,600
Granted (in shares) \| shares						10,878,000
Restricted Stock Units \| Executive Chairman
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options, annual grant, percentage of awards		0.70
Equity instruments other than options, annual grant, vesting period		4 years
Performance Based Restricted Stock Units (PRSUs) \| Executive Chairman
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense		$ 61,900
Granted (in shares) \| shares			6,000,000
Number of threshold stock price targets \| target			5
Equity instruments other than options, annual grant, percentage of awards		0.30
Performance Based Restricted Stock Units (PRSUs) \| Executive Chairman \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Threshold stock price target (in dollars per share) \| $ / shares			$ 70.00
Performance Based Restricted Stock Units (PRSUs) \| Executive Chairman \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Threshold stock price target (in dollars per share) \| $ / shares			$ 200.00
Performance Based Restricted Stock Units (PRSUs) \| Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense				$ 2,500	$ 1,900	$ 4,400	$ 2,500
Award vesting period	3 years	3 years
Equity instruments other than options, revenue target, percentage of awards	0.70	0.70
Equity instruments other than options, free cash flow target, percentage of awards	30.00%	30.00%
Deferred compensation arrangement with individual, equity percentage	173.60%

Freshworks Inc. 10-Q