Fair Value Measurements - Summary of Estimated Fair Value Available For Sale Debt Securities Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair value less than 12 months	$ 124,150	$ 486,545
Unrealized losses less than 12 months	(1,697)	(1,367)
Fair value 12 months or greater	228,587
Unrealized losses 12 months or greater	(4,729)
Total fair value	352,737	486,545
Total unrealized losses	(6,426)	(1,367)
US Government Agencies Debt Securities
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair value less than 12 months	110,150	329,883
Unrealized losses less than 12 months	(1,425)	(1,120)
Fair value 12 months or greater	193,970
Unrealized losses 12 months or greater	(4,322)
Total fair value	304,120	329,883
Total unrealized losses	(5,747)	(1,120)
Corporate Debt Securities
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair value less than 12 months	14,000	156,662
Unrealized losses less than 12 months	(272)	(247)
Fair value 12 months or greater	34,617
Unrealized losses 12 months or greater	(407)
Total fair value	48,617	156,662
Total unrealized losses	$ (679)	$ (247)