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Marketable Investments - Summary of Company's Marketable Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 19,899	$ 18,542
Gross Unrealized Gains	8	0
Gross Unrealized Losses	(219)	(33)
Market value	19,688	18,509
Corporate Obligations
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	17,900	18,542
Gross Unrealized Gains	8	0
Gross Unrealized Losses	(205)	(33)
Market value	17,703	$ 18,509
Federal Agency Obligation
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	1,999
Gross Unrealized Gains	0
Gross Unrealized Losses	(14)
Market value	$ 1,985

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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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