v3.26.3
Accumulated Other Comprehensive Income (Loss) - Summary of Amounts Reclassified Out of AOCI (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Reclassifications out of accumulated other comprehensive income (loss)        
(Gains) losses on short term investments and cash equivalents $ (22,678) $ 0 $ (33,666) $ 0
Income tax expense (benefit) 1,503 38,898 54,078 38,513
(Gains) losses on cash flow hedges 50,111 43,856 137,713 128,644
Total reclassifications of (income) loss 371 (119,402) (164,651) (118,164)
Reclassification out of Accumulated Other Comprehensive Income        
Reclassifications out of accumulated other comprehensive income (loss)        
Total reclassifications of (income) loss 860 (838) 2,763 (2,319)
AFS Securities | Reclassification out of Accumulated Other Comprehensive Income        
Reclassifications out of accumulated other comprehensive income (loss)        
(Gains) losses on AFS fixed maturity securities 1,165 0 3,489 0
(Gains) losses on short term investments and cash equivalents 533 0 533 0
Income tax expense (benefit) (430) 0 (997) 0
Derivative Instruments | Reclassification out of Accumulated Other Comprehensive Income        
Reclassifications out of accumulated other comprehensive income (loss)        
Income tax expense (benefit) 123 265 339 734
(Gains) losses on cash flow hedges (531) (1,103) (1,439) (3,053)
Pension | Reclassification out of Accumulated Other Comprehensive Income        
Reclassifications out of accumulated other comprehensive income (loss)        
(Gains) losses on pension $ 0 $ 0 $ 838 $ 0