Shareholders’ Equity (Narrative) (Details) - Preferred stock, Series A	12 Months Ended
Dec. 31, 2018 vote
Class of Stock [Line Items]
Number of votes available	1,000
Multiple of common stock dividends awarded	1,000

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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