Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Summary of Significant Accounting Policies
Property and equipment, accumulated depreciation	$ 18.2		$ 18.2		$ 17.2
Depreciation expense	$ 0.6	$ 0.6	$ 1.2	$ 1.2

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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-Subparagraph (b)
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
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Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 220
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration