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Fair Value of Financial Instruments (Details) - USD ($)	3 Months Ended		6 Months Ended
Fair Value of Financial Instruments (Details) - USD ($)	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale, operating	$ 1,500,000	$ 2,400,000	$ 3,400,000	$ 4,700,000
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial assets held in marketable securities	84,300,000		84,300,000		$ 197,900,000
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities classified as level 2 or level 3, fair value					0
Assets classified as level 2 or level 3, fair value	0		0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities classified as level 2 or level 3, fair value	0		0
Assets classified as level 2 or level 3, fair value					0
Money market funds \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial assets held in money market accounts	$ 156,200,000		$ 156,200,000		$ 112,500,000