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Fair Value Measurements - Fair Value Of Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair Value Measurements [Line Items]
Equity securities	$ 0	$ 116,374
Fair value, Measurements, Recurring
Fair Value Measurements [Line Items]
Equity securities	0	116,374
Total	48,844	157,951
Fair value, Measurements, Recurring | Mutual Funds | Investments, Employee Benefit Plans, At Fair Value
Fair Value Measurements [Line Items]
Mutual funds and money market funds, fair value	43,922	36,810
Fair value, Measurements, Recurring | Money Market Funds | Investments, Employee Benefit Plans, At Fair Value
Fair Value Measurements [Line Items]
Mutual funds and money market funds, fair value	4,922	4,767
Fair value, Measurements, Recurring | Level 1
Fair Value Measurements [Line Items]
Equity securities	0	116,374
Total	43,922	153,184
Fair value, Measurements, Recurring | Level 1 | Mutual Funds | Investments, Employee Benefit Plans, At Fair Value
Fair Value Measurements [Line Items]
Mutual funds and money market funds, fair value	43,922	36,810
Fair value, Measurements, Recurring | Level 1 | Money Market Funds | Investments, Employee Benefit Plans, At Fair Value
Fair Value Measurements [Line Items]
Mutual funds and money market funds, fair value	0	0
Fair value, Measurements, Recurring | Level 2
Fair Value Measurements [Line Items]
Equity securities	0	0
Total	4,922	4,767
Fair value, Measurements, Recurring | Level 2 | Mutual Funds | Investments, Employee Benefit Plans, At Fair Value
Fair Value Measurements [Line Items]
Mutual funds and money market funds, fair value	0	0
Fair value, Measurements, Recurring | Level 2 | Money Market Funds | Investments, Employee Benefit Plans, At Fair Value
Fair Value Measurements [Line Items]
Mutual funds and money market funds, fair value	4,922	4,767
Fair value, Measurements, Recurring | Level 3
Fair Value Measurements [Line Items]
Equity securities	0	0
Total	0	0
Fair value, Measurements, Recurring | Level 3 | Mutual Funds | Investments, Employee Benefit Plans, At Fair Value
Fair Value Measurements [Line Items]
Mutual funds and money market funds, fair value	0	0
Fair value, Measurements, Recurring | Level 3 | Money Market Funds | Investments, Employee Benefit Plans, At Fair Value
Fair Value Measurements [Line Items]
Mutual funds and money market funds, fair value	$ 0	$ 0

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Fair value portion of asset recognized for present right to economic benefit.

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Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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