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Summary of Significant Accounting Policies - GNU Interest (Details)	Dec. 18, 2018
GNU
GNU Interest
Percentage of ownership interest held by the entity	55.89%

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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.

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No definition available.

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- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

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No definition available.

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