Loss per share - Schedule Of Earnings Per Share Diluted By Common Class (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Dilutive securities, effect on basic earnings per share, options and restrictive stock units	$ 720,498	$ 829,645	$ 752,877	$ 850,659
Preferred Stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Anti-dilutive securities excluded from the calculation of diluted loss per share	351,037	351,037	351,037	351,037
Stock Options
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Dilutive securities, effect on basic earnings per share, options and restrictive stock units	$ 280,407	$ 329,458	$ 297,762	$ 335,448
Restricted Stock Awards
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Dilutive securities, effect on basic earnings per share, options and restrictive stock units	$ 89,054	$ 149,150	$ 104,078	$ 164,174

Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise of stock options or restrictive stock units (RSUs).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
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-Name Accounting Standards Codification
-Section 50
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
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-Section 45
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482689/260-10-45-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
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-URI https://asc.fasb.org/1943274/2147482689/260-10-45-3

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