Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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+ Details

Stockholders' Equity (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		60 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2011	Dec. 31, 2007
Stockholders' Equity [Abstract]
Weighted average diluted shares outstanding excludes shares of common stock subject to stock options	337,295	674,550
Shares authorized to repurchase of Common Stock				1,000,000
Shares repurchased, shares			535,135
Average price per share			$ 18.64
Shares repurchased, value			$ 10.0