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Equity-Based Plans (Details) | 12 Months Ended
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Dec. 31, 2018 USD ($) shares
employee stock purchase plan shares authorized | 625,000
Employee Stock Purchase Plan, Base Pay Threshold | 10.00%
Employee Stock Purchase Plan, Purchased Stock Value Limitation | $ | $ 25,000
Employee Stock Purchase Plan, Share Purchase Limitation | 1,500
Employee Stock Purchase Plan, Purchase Price | 95.00%
Employee Stock Purchase Plan, Number of Available Shares | 306,175
Dividend Reinvestment and Direct Stock Purchase Plan Shares | 2,500,000
Dividend Reinvestment and Direct Stock Purchase Plan, Number of Available Shares | 2,467,956

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- Definition Represents common shares set aside, issued and available for issue related to the Dividend Reinvestment and Direct Stock Purchase Plan + References No definition available. + Details
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- Definition employee stock purchase plan shares authorized + References No definition available. + Details
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