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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (unaudited) (Parenthetical) | 6 Months Ended
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Jun. 30, 2016 $ / shares
Series A Cumulative Convertible Preferred Stock [Member] |
Series A preferred stock dividend (in dollars per share) | $ 1.00

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- Definition Aggregate dividends declared during the period for each share of preferred stock outstanding. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |