Significant Accounting Policies (Perpetual Preferred Stock Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2013	Dec. 31, 2012
Significant Accounting Policies [Abstract]
Preferred Stock, Value, Issued				$ 20,600,000
Preferred Stock, Shares Issued				20,649
Stock Redeemed or Called During Period, Shares	10,325	10,324
Stock Redeemed or Called During Period, Value	10,400,000	10,300,000	20,649,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	764,788		764,788
Payments for Repurchase of Warrants			$ 2,707,000