10-K Failed sale and leaseback arrangements - Cash flows associated with sale leaseback arrangements (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Leases [Abstract] | ||||||||
| Cash flows from operating activities | $ (6,255) | $ (6,635) | $ (26,450) | $ (23,726) | $ (24,150) | |||
| Financing cash flows from failed sale and leaseback financial obligations | (1,975) | (1,774) | (5,843) | (5,777) | (4,308) | [1] | ||
| Net cash flows from failed sale and leaseback arrangements | $ (8,230) | $ (8,409) | $ (32,293) | $ (29,503) | $ (28,458) | |||
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