Significant Accounting Policies (Perpetual Preferred Stock Narrative) (Details) (USD $)	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Preferred Stock, Value, Issued		$ 20,600,000
Preferred Stock, Shares Issued		20,649
Stock Redeemed or Called During Period, Shares	10,324
Stock Redeemed or Called During Period, Value	10,324,000
Subsequent Event [Member]
Stock Redeemed or Called During Period, Shares	10,325
Stock Redeemed or Called During Period, Value	10,400,000
Preferred Stock [Member]
Stock Redeemed or Called During Period, Value	$ 10,324,000