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Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Statement of Stockholders' Equity [Abstract] |  |
Preferred stock, cash dividend (in dollars per share) | $ 80,000,000 | $ 80,000,000.00

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- Definition Aggregate dividends paid during the period for each share of preferred stock outstanding. + References No definition available. + Details
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Balance Type: | na
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- References No definition available. + Details
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