Acquisition - Ironshore Acquisition (Details) - Ironshore acquisition - USD ($) $ in Thousands		3 Months Ended
	Sep. 03, 2024	Jun. 30, 2025	Dec. 31, 2024
Acquisition
Consideration deposited into escrow	$ 25,000
Consideration payable	21,956
Reduction in consideration payable		$ 3,836
Business combination, consideration payable on recovery of deposits	$ 7,000
Business combination, consideration payable on recovery of deposits, due period	225 days
Amount of potential contingent consideration payments	$ 25,000	$ 38	$ 1,182

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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COLLEGIUM PHARMACEUTICAL, INC 10-Q