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Fair Value Disclosure (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Equity securities | $ 17,819 |  | $ 18,663 |
(Loss) gain on equity securities | (870) | $ 1,041 |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measurements, Recurring |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Equity securities | 17,819 |  | 18,663 |
(Loss) gain on equity securities | (600) | 400 |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measurements, Recurring | Bellaire |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
(Loss) gain on equity securities | (300) | $ 700 |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Reported Value Measurement | Fair Value Measurements, Recurring |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Equity securities cost |  |  |  | $ 2,000
Quoted Prices in Active Markets for Identical Assets (Level 1) | Reported Value Measurement | Fair Value Measurements, Recurring | Other Noncurrent Assets |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Equity securities | 5,700 |  | 6,300 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Reported Value Measurement | Fair Value Measurements, Recurring | Bellaire |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Equity securities cost |  |  |  | $ 5,000
Quoted Prices in Active Markets for Identical Assets (Level 1) | Reported Value Measurement | Fair Value Measurements, Recurring | Bellaire | Other Noncurrent Assets |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Equity securities | $ 12,100 |  | $ 12,300 |

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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482736/825-10-45-1A + Details
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