v3.26.1
Related party transactions (Details) - USD ($)
$ in Thousands
1 Months Ended 7 Months Ended 12 Months Ended
Jan. 31, 2026
Jun. 30, 2025
May 31, 2024
May 31, 2023
Dec. 31, 2025
Dec. 31, 2024
May 25, 2025
May 26, 2024
Related Party Transaction [Line Items]                
Contract liabilities, related party         $ 8,660   $ 3,415 $ 2,113
Debt principal         195,760   188,350 187,539
Proceeds from sale of equipment         10,000   7,000 0
Operating cash flows from operating leases         237   445 761
Non-cash interest expense, inclusive of related party         15,211   20,247 15,442
Term loan credit facility with related party | Line of credit                
Related Party Transaction [Line Items]                
Debt principal         $ 184,087   173,508 157,313
Stated interest rate         10.00%      
Related party                
Related Party Transaction [Line Items]                
Contract liabilities, related party         $ 5,642   2,731 1,025
Interest expense, net   $ 2,108     14,621 $ 10,786 18,879 14,662
Non-cash interest expense, inclusive of related party         14,407   18,473 14,186
Contract asset         850   110  
Alcon                
Related Party Transaction [Line Items]                
Advances to affiliate             307 1,207
Alcon | Related party                
Related Party Transaction [Line Items]                
Contract liabilities, related party         5,286      
Proceeds from term borrowings       $ 142,270        
Proceeds from sale of equipment       $ 7,730        
Operating lease, term of contract       10 years        
Operating cash flows from operating leases         $ 858   $ 1,185 $ 970
Alcon | Related party | Subsequent event                
Related Party Transaction [Line Items]                
Debt Instrument, Term 12 months              
Credit memo $ 5,500              
Alcon | Contract liability prepayment                
Related Party Transaction [Line Items]                
Related party transaction, amount     $ 5,500          
Customer one | Revenues | Customer concentration risk                
Related Party Transaction [Line Items]                
Concentration risk percentage         42.00%   44.00% 39.00%