Investments - Short-term Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Marketable Securities [Line Items]
Adjusted Cost	$ 140,272	$ 175,539
Unrealized Losses	(328)	(49)
Fair Value	139,944	175,490
Corporate bonds
Marketable Securities [Line Items]
Adjusted Cost	121,675	146,032
Unrealized Losses	(248)	(30)
Fair Value	121,427	146,002
Government bonds
Marketable Securities [Line Items]
Adjusted Cost	4,985
Unrealized Losses	(30)
Fair Value	4,955
Asset-backed bonds
Marketable Securities [Line Items]
Adjusted Cost	13,612	29,507
Unrealized Losses	(50)	(19)
Fair Value	$ 13,562	$ 29,488

Amount, before tax, of unrealized loss 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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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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