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Marketable Investments - Summary of Company's Marketable Investments (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 18,542
Gross Unrealized Gains	0
Gross Unrealized Losses	(33)
Market value	18,509
Corporate Obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	18,542
Gross Unrealized Gains	0
Gross Unrealized Losses	(33)
Market value	$ 18,509

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