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Fair Value Disclosure (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Equity securities | $ 17,769 |  | $ 17,769 |  | $ 18,663 |
(Loss) gain on equity securities | 349 | $ (264) | (521) | $ 777 |  |
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 | 17,769 |  | 17,769 |  | 18,663 |
(Loss) gain on equity securities | (400) | (500) | (1,000) | (200) |  |
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 | 800 | $ 300 | 500 | $ 1,000 |  |
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
Equity securities | 5,300 |  | 5,300 |  | 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
Equity securities | $ 12,500 |  | $ 12,500 |  | $ 12,300 |

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