v3.25.2

STOCK-BASED COMPENSATION - Founder Advisory Amounts (Details) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2025 USD ($) $ / shares shares	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) trading_day $ / shares shares	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) $ / shares shares	Nov. 09, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, outstanding (in shares) \| shares	145,914,429		145,914,429		147,822,633
Founders advisory fees \| Affiliated Entity
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum amount to be paid in shares			50.00%
Founders advisory fees \| Affiliated Entity \| EverArc Founder Entity
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fixed annual advisory shares (in shares) \| shares			2,357,061		2,357,061
Yearly issue percentage						1.50%
Common stock, outstanding (in shares) \| shares						157,137,410
Percentage settled in cash			50.00%
After cash settlement, percentage as liability			50.00%
After cash settlement, percentage as equity			50.00%
Fixed annual advisory amount fair value \| $	$ 96.3		$ 96.3		$ 90.8
Share price (in usd per share) \| $ / shares	$ 13.62		$ 13.62		$ 12.85
Variable annual advisory amount fair value \| $	$ 416.4		$ 416.4		$ 389.3
Adjustment in fair value of advisory amounts \| $	$ 96.9	$ 0.6	$ 16.3	$ 68.9
Founders advisory fees \| Related Party \| EverArc Founder Entity
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Consecutive trading days \| trading_day			10

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Perimeter Solutions, Inc. 10-Q