v3.26.3
Basis of Presentation and Significant Accounting Policies - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Net gains on derivative financial instruments $ 1,418,297 $ 1,334,149 $ 1,280,232 $ 1,233,012 $ 1,241,485 $ 1,183,906 $ 1,100,035 $ 1,080,404
Accumulated Other Comprehensive Income (Loss)                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Net gains on derivative financial instruments (53,701) $ (51,334) $ (31,411) (19,373) $ (32,523) $ (23,385) $ (43,314) $ (48,211)
Currency translation adjustments                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Net gains on derivative financial instruments (39,172)     (2,020)        
Net unrealized gain on derivative financial instruments                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Net gains on derivative financial instruments 377     6        
Unrecognized prior service cost on benefit obligations                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Net gains on derivative financial instruments (14,812)     (17,265)        
Net unrealized loss on available-for-sale investments                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Net gains on derivative financial instruments $ (94)     $ (94)