Stock-based compensation - Schedule of Share-Based Payment Award, Market-Based Awards Valuation Assumption (Details) - USD ($) $ in Thousands					12 Months Ended
	Mar. 18, 2025	Mar. 08, 2024	Jan. 03, 2023	Feb. 24, 2022	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based payment arrangement, expense					$ 21,271	$ 15,283	$ 19,903
Market-based restricted stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Target shares (in shares)	250,252	239,464	268,738	240,428
Fair value	$ 9,800	$ 6,300	$ 6,800	$ 6,700
Historical volatility (percent)	60.00%	80.00%	78.00%	63.00%
Risk-free interest rate (in percent)	4.10%	4.60%	4.40%	1.50%
Dividend yield (in percent)	0.00%	0.00%	0.00%	0.00%	0.00%
Attainment (percent)			175.00%	125.00%
Vesting to current employees (in shares)			470,287	300,529	470,287	325,561	30,616
Share-based payment arrangement, expense		$ 300	$ 1,600		$ 7,600	$ 4,500	$ 7,100
Market-based restricted stock | Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total shareholder return attainment (in percent)	0.00%	0.00%	0.00%	0.00%
Market-based restricted stock | Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total shareholder return attainment (in percent)	200.00%	200.00%	200.00%	200.00%