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Property and Equipment - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | Mar. 31, 2025 | Sep. 30, 2024
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Depreciation | $ 2,500,000 | $ 3,637,000 | $ 5,284,000 | $ 6,784,000 |  |  |
Property and equipment, carrying value | 73,164,000 |  | 73,164,000 |  | $ 78,329,000 |  |
Impairment charge |  |  | 0 | 0 |  |  |
75 Enterprise Center |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Property and equipment, carrying value |  |  |  |  |  |  | $ 7,800,000
Impairment charge |  |  |  |  | $ 1,100,000 |  |
50 Enterprise Center |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Property and equipment, carrying value |  |  |  |  |  | $ 5,300,000 | $ 3,600,000
Gain on sale of property and equipment | $ 1,300,000 |  | $ 1,330,000 | $ 0 |  |  |

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