Investment Securities - Summary of Available-For-Sale Investment Securities Held by the Company (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale investment securities, Amortized Cost	$ 504,886	$ 502,681
Available-for-sale investment securities, Gross Unrealized Gains	394	1,275
Available-for-sale investment securities, Gross Unrealized Losses	(243)	(298)
Available-for-sale investment securities, Fair Market Value	505,037	503,658
U.S. Government Obligations [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale investment securities, Amortized Cost	297,260	279,577
Available-for-sale investment securities, Gross Unrealized Gains	134	731
Available-for-sale investment securities, Gross Unrealized Losses	(109)	(99)
Available-for-sale investment securities, Fair Market Value	297,285	280,209
Agency obligations [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale investment securities, Amortized Cost	12,702	21,271
Available-for-sale investment securities, Gross Unrealized Gains	2	16
Available-for-sale investment securities, Gross Unrealized Losses	(4)	(17)
Available-for-sale investment securities, Fair Market Value	12,700	21,270
Certificates of Deposit [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale investment securities, Amortized Cost	2,450	2,450
Available-for-sale investment securities, Gross Unrealized Gains	0	2
Available-for-sale investment securities, Gross Unrealized Losses	(7)	(12)
Available-for-sale investment securities, Fair Market Value	2,443	2,440
Corporate Debt Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale investment securities, Amortized Cost	192,474	196,399
Available-for-sale investment securities, Gross Unrealized Gains	258	526
Available-for-sale investment securities, Gross Unrealized Losses	(123)	(170)
Available-for-sale investment securities, Fair Market Value	$ 192,609	196,755
Commercial Paper [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale investment securities, Amortized Cost		2,984
Available-for-sale investment securities, Gross Unrealized Gains		0
Available-for-sale investment securities, Gross Unrealized Losses		0
Available-for-sale investment securities, Fair Market Value		$ 2,984

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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