Description of the Company and Basis of Presentation (Narrative) (Details)	Dec. 31, 2020
Consolidated Ventures
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%

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.

No definition available.

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