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Marketable Investments - Unrealized Losses on Debt Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Less than 12 Months - Market Value	$ 803	$ 13,098
Less than 12 Months - Unrealized Losses	4	8
12 Months or Greater - Market Value	997	6,872
12 Months or Greater - Unrealized Losses	2	71
Corporate obligations [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 Months - Market Value	803	13,098
Less than 12 Months - Unrealized Losses	4	8
12 Months or Greater - Market Value	997	4,879
12 Months or Greater - Unrealized Losses	$ 2	64
Federal agency obligations [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 Months - Market Value		0
Less than 12 Months - Unrealized Losses		0
12 Months or Greater - Market Value		1,993
12 Months or Greater - Unrealized Losses		$ 7

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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), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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