Significant Accounting Policies - Goodwill, Intangible Assets and Other Long-Lived Assets (Narrative) (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2023 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Jun. 30, 2025 |
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| Finite-Lived Intangible Assets [Line Items] | |||||
| Goodwill | $ 93,695,000 | $ 89,254,000 | $ 94,898,000 | ||
| Goodwill impairment | $ 68,500,000 | $ 0 | $ 0 | $ 68,524,000 | |
| Third Estate LLC (mnml) | |||||
| Finite-Lived Intangible Assets [Line Items] | |||||
| Goodwill | $ 30,000,000.0 | ||||
| Reporting unit, percentage of fair value in excess of carrying amount | 4.60% | ||||
| Minimum | |||||
| Finite-Lived Intangible Assets [Line Items] | |||||
| Useful life | 4 years | ||||
| Maximum | |||||
| Finite-Lived Intangible Assets [Line Items] | |||||
| Useful life | 10 years | ||||
| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage of fair value of reporting unit in excess of carrying amount. No definition available.
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