Common stock - Narratives (Details) - USD ($)	1 Months Ended		3 Months Ended		23 Months Ended
	Dec. 31, 2025	Jan. 31, 2025	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	May 14, 2024
Open Market Sale
Common Stock [Line Items]
Shares issued			0	0	6,655,587
Offering price of shares						$ 200,000,000
Percentage of commission						3.00%
Gross proceeds from issuance of common shares					$ 65,900,000
Proceeds from issuance of common stock					64,500,000
Value of shares available for future issuance			$ 134,100,000		$ 134,100,000
Public offering
Common Stock [Line Items]
Shares issued	21,418,750	22,258,064
Shares Issued, Price Per Share	$ 21.5	$ 7.75
Proceeds from issuance of common stock	$ 432,400	$ 161,700