v3.26.1
Summary of Significant Accounting Policies - Exit and disposal costs (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2026
Restructuring Cost      
Beginning balance $ 718,592 $ 759,419 $ 759,419
Costs incurred and charged to expense $ 17,850 $ 14,346  
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Asset Impairment Charges and Other Asset Impairment Charges and Other  
(Gains) losses on costs paid or settled $ (949) $ (36,916)  
Costs paid or settled (63,906) (29,982)  
Accretion 8,725 11,725  
Deconsolidated Subsidiaries     (680,312)
Ending balance   718,592  
Disposal costs 17,000   (6,000)
Settlement of operating lease and other liabilities 19,000   62,000
Total net settlement 2,000   68,000
Cumulative costs incurred     841,000
One-Time Employee Termination Benefits      
Restructuring Cost      
Beginning balance 0 0 0
Costs incurred and charged to expense 0 0  
(Gains) losses on costs paid or settled 0 0  
Costs paid or settled 0 0  
Accretion 0 0  
Deconsolidated Subsidiaries     0
Ending balance 0 0 0
Contract Termination Costs      
Restructuring Cost      
Beginning balance 718,592 759,419 759,419
Costs incurred and charged to expense 17,850 14,346  
(Gains) losses on costs paid or settled (949) (36,916)  
Costs paid or settled (63,906) (29,982)  
Accretion $ 8,725 11,725  
Deconsolidated Subsidiaries     $ (680,312)
Ending balance   $ 718,592