Investments in Other Equity Securities (Details) - EDC [Member] $ in Millions	Oct. 22, 2014 USD ($)
Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31)
Noncontrolling Interest, Ownership Percentage by Parent	18.40%
Cost Method Investments, Original Cost	$ 3.5

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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