Fair Value Measurements - Contractual Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Fair Value Disclosures [Abstract]
Less than one year, amortized cost	$ 588,022	$ 684,294
One to three years, amortized cost	1,185,309	1,270,405
Amortized Cost or Carrying Value	1,773,331	1,954,699
Less than one year, aggregate fair value	590,997	685,091
One to three years, aggregate fair value	1,192,790	1,274,791
Total aggregate fair value	$ 1,783,787	$ 1,959,882