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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (unaudited) (Parenthetical)	9 Months Ended
	Sep. 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

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_ConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: