Common stock - Narratives (Details) $ / shares in Units, $ in Thousands	1 Months Ended	9 Months Ended
	Feb. 29, 2024 USD ($) $ / shares shares	Sep. 30, 2024 Vote shares	Sep. 30, 2023 USD ($)	May 14, 2024 USD ($)
Common stock voting right | Vote		1
Proceeds from issuance of common stock			$ 34
Open Market Sale
Shares issued | shares		0
Offering price of shares				$ 200,000
Maximum Percentage Of Commission Payable				3.00%
IPO
Shares issued | shares	11,500,000
Share price | $ / shares	$ 20.00
Proceeds from issuance of common stock	$ 215,400