Earnings per Share Earnings per Share (Textuals) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Preferred Stock Dividends and Other Adjustments [Abstract]
Preferred Stock, Shares Outstanding	2,000			2,000		4,000
Preferred Stock, Dividends, Per Share, Cash Paid	$ 609.375			$ 609.375
Preferred Dividends	$ 1,219	$ (1,219)	$ 0	$ 2,438	$ 0
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount [Abstract]
Preferred shares redeemed during period				2,000
Excess of fair value over book value of preferred shares redeemed	0		0	2,190	0
Redemption of preferred shares				(50,352)	0
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Stock Issued During Period, Shares, New Issues				2,461,000
StockIssuedDuringPeriodPricePerShare				$ 23.50
Proceeds from Issuance of Common Stock				$ 54,617	$ 42,085