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Performance Graph - Unaudited | 12 Months Ended
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Dec. 31, 2019
Performance Graph [Abstract] |
Cumulative Total Shareholder Return [Text Block] | PERFORMANCE GRAPH (UNAUDITED) The following graph presents the cumulative total shareholder return for the five years ending December 31, 2019 for our common stock, as compared to the Standard & Poor's 500 Stock Index and to the Dow Jones 30 Industrial Average. Our common stock price is a component of both indices. These figures assume that all dividends paid over the five-year period were reinvested, and that the starting value of each index and the investment in common stock was $100.00 on December 31, 2014.

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- Definition Disclosures the cumulative total shareholder return for the current year baselined to five years prior. + References No definition available. + Details
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- References No definition available. + Details
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