Fair Value of Financial Instruments - Unrealized Gains and Losses (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Continuous unrealized loss position, Fair Value
Fair value of available-for-sale investments, continuous loss position for less than twelve months	$ 62,230	$ 383,736
Fair value of available-for-sale investments, continuous loss position for twelve months or greater	186,349	285,676
Total fair value of available-for-sale investments, continuous loss position	248,579	669,412
Continuous unrealized loss position, Gross Unrealized Losses
Available-for-sale investments, continuous loss position for less than 12 months, gross unrealized losses	(420)	(5,923)
Available-for-sale investments, continuous loss position for 12 months or greater, gross unrealized losses	(4,333)	(7,631)
Available-for-sale investments, total gross unrealized losses	(4,753)	(13,554)
Corporate debt securities
Continuous unrealized loss position, Fair Value
Fair value of available-for-sale investments, continuous loss position for less than twelve months	12,019	307,085
Fair value of available-for-sale investments, continuous loss position for twelve months or greater	144,341	185,467
Total fair value of available-for-sale investments, continuous loss position	156,360	492,552
Continuous unrealized loss position, Gross Unrealized Losses
Available-for-sale investments, continuous loss position for less than 12 months, gross unrealized losses	(29)	(5,297)
Available-for-sale investments, continuous loss position for 12 months or greater, gross unrealized losses	(2,918)	(4,090)
Available-for-sale investments, total gross unrealized losses	(2,947)	(9,387)
Government debt securities
Continuous unrealized loss position, Fair Value
Fair value of available-for-sale investments, continuous loss position for less than twelve months	50,211	76,651
Fair value of available-for-sale investments, continuous loss position for twelve months or greater	42,008	100,209
Total fair value of available-for-sale investments, continuous loss position	92,219	176,860
Continuous unrealized loss position, Gross Unrealized Losses
Available-for-sale investments, continuous loss position for less than 12 months, gross unrealized losses	(391)	(626)
Available-for-sale investments, continuous loss position for 12 months or greater, gross unrealized losses	(1,415)	(3,541)
Available-for-sale investments, total gross unrealized losses	$ (1,806)	$ (4,167)