v3.25.2
Investments - Change in Net Unrealized Gains (Losses) on Available-for-Sale Securities (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Debt Securities, Available-for-sale, Unrealized Gain (Loss) [Roll Forward]        
Beginning balance $ 5,119,407 $ 4,713,764 $ 4,996,096 $ 4,632,347
Change in net unrealized investment gains (losses) 48,254 1,172 107,148 (5,907)
Ending balance 5,223,128 4,825,829 5,223,128 4,825,829
Reclassification adjustments to net investment (gains) losses, tax (1,585) (1,621) (2,242) (3,022)
Amounts reclassified from accumulated other comprehensive income (loss)        
Debt Securities, Available-for-sale, Unrealized Gain (Loss) [Roll Forward]        
Beginning balance (148,730) (237,635) (207,624) (230,556)
Unrealized gains (losses) on investment securities 53,888 (6,222) 125,736 (21,887)
Provision for income taxes (11,595) 1,291 (27,020) 4,605
Change in unrealized gains (losses) on investment securities 42,293 (4,931) 98,716 (17,282)
Reclassification adjustments to net investment (gains) losses, net of taxes of $(1,585) and $(1,621), respectively 5,961 6,103 8,432 11,375
Change in net unrealized investment gains (losses) 48,254 1,172 107,148 (5,907)
Ending balance $ (100,476) $ (236,463) $ (100,476) $ (236,463)