Stock-based compensation - Schedule of Share-Based Payment Award, Market-Based Awards Valuation Assumption (Details) - USD ($) $ in Thousands				3 Months Ended
	Feb. 24, 2026	Mar. 18, 2025	Mar. 08, 2024	Mar. 31, 2026	Mar. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock based compensation expense				$ 4,806	$ 3,982
Market-based Restricted Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Target Shares (in shares)	214,188	250,252	239,464
Fair value	$ 5,700	$ 9,800	$ 6,300
Volatility (percent)	51.00%	60.00%	80.00%
Risk-free interest rate (percent)	3.40%	4.10%	4.60%
Dividend yield (in percent)	0.00%	0.00%	0.00%	0.00%
Attainment (percent)			156.00%
Vested (in shares)			352,901	383,459	470,287
Stock based compensation expense		$ 500	$ 300	$ 2,100	$ 1,000
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%
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%