Marketable Debt and Equity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Mar. 31, 2021
Schedule of Available-for-sale Securities
Cash and cash equivalents	$ 49,410	$ 143,480
Investments, amortized cost	605,290	579,624
Investments	596,356	578,124
Total amortized cost	584,970
Gross unrealized gains		1
Gross unrealized losses	(8,934)	(1,501)
Marketable Securities	576,036
Marketable securities
Schedule of Available-for-sale Securities
Marketable Securities	576,036		$ 454,232
Money Market Funds
Schedule of Available-for-sale Securities
Cash and cash equivalents	20,320	123,892
Cash and Cash Equivalents
Schedule of Available-for-sale Securities
Cash and cash equivalents	20,320	123,892
Corporate Securities
Schedule of Available-for-sale Securities
Total amortized cost	177,243	144,584
Gross unrealized losses	(1,402)	(166)
Marketable Securities	175,841	144,418
Government Securities
Schedule of Available-for-sale Securities
Total amortized cost	407,727	311,148
Gross unrealized gains		1
Gross unrealized losses	(7,532)	(1,335)
Marketable Securities	$ 400,195	$ 309,814

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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