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U.S. Government Securities (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Gross unrealized gains	$ 2,500,000
Gross unrealized losses	0
Carrying Value
Due in less than 1 year	127,157,000
TOTAL	127,157,000	$ 129,321,000
Fair Value
Due in less than 1 year	129,614,000
TOTAL	$ 129,614,000

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