Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 384,469	$ 381,009
Gross Unrealized Gains	494	114
Gross Unrealized Losses	(2,331)	(381)
Fair Market Value	382,632	380,742
U.S. Treasury and government agencies
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	200,247	195,076
Gross Unrealized Gains	0	1
Gross Unrealized Losses	(2,141)	(358)
Fair Market Value	198,106	194,719
Corporate debt
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	184,222	185,933
Gross Unrealized Gains	494	113
Gross Unrealized Losses	(190)	(23)
Fair Market Value	$ 184,526	$ 186,023

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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