Acquisitions - Schedule of Fair Value of the Aggregate Consideration Paid or Payable (Details)	Jul. 08, 2025 USD ($) $ / shares shares	Jul. 07, 2025 shares
Akoya Biosciences, Inc.
Business Combination [Line Items]
Exchange ratio	0.147
Total shares of Quanterix common stock to be issued (in shares) | shares	7,517,000
Quanterix stock price per share as of the closing date (in dollars per share) | $ / shares	$ 6.54
Fair value of Akoya common stock and equity instruments converted to Quanterix common stock	$ 49,161,000
Cash consideration paid	18,942,000
Contingent consideration	82,131,000
Fair value of replacement equity awards attributable to pre-acquisition service	739,000
Total fair value of consideration transferred	$ 150,973,000
Fractional shares (in dollars per share) | $ / shares	$ 0.37
Business combination, consideration transferred, settlement of early termination, legal, and prepayment fees	$ 7,000,000.0
Akoya Biosciences, Inc.
Business Combination [Line Items]
Total Akoya common stock and equity instruments outstanding as of July 7, 2025 to be converted (in shares) | shares		51,136,000