v3.26.1
Fair Value Measurements - Changes in fair value of derivative liability (Details) - BW Ultimate Parent, LLC and Subsidiaries - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Transfers between levels $ 0  
Derivative liabilities    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of the period 0 $ 900
Change in fair value 0 (900)
Balance at end of the period $ 0 $ 0