Summary of significant accounting policies - Stock Repurchases (Details) - USD ($)	1 Months Ended	12 Months Ended
	May 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Subsidiary or Equity Method Investee [Line Items]
Repurchase and retirement of common stock (in shares)	2,000,000
Share price (in dollars per share)	$ 17.52
Repurchase and retirement of common stock	$ 35,400,000	$ 35,357,000	$ 0	$ 0
Vista Equity Partners, LLC
Subsidiary or Equity Method Investee [Line Items]
Number of shares issued in transaction (in shares)	8,956,522
Consideration received on transaction	$ 0