v3.26.1
Fair Value Measurements - Fair value hierarchy of the Company's assets and liabilities (Details) - BW Ultimate Parent, LLC and Subsidiaries - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Derivatives $ 0 $ 0
Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Cash equivalents 52,984 28,272
Total Derivatives 0 0
Total 52,984 28,272
Recurring | Level 1 | Redeemable senior preferred membership interests    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Derivatives 0 0
Recurring | Level 1 | Overnight Investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Cash equivalents 52,984 28,272
Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Cash equivalents 0 0
Total Derivatives 0 0
Total 0 0
Recurring | Level 2 | Redeemable senior preferred membership interests    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Derivatives 0 0
Recurring | Level 2 | Overnight Investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Cash equivalents 0 0
Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Cash equivalents 0 0
Total Derivatives 0 0
Total 0 0
Recurring | Level 3 | Redeemable senior preferred membership interests    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Derivatives 0 0
Recurring | Level 3 | Overnight Investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Cash equivalents $ 0 $ 0