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Summary of Significant Accounting Policies (Stock-Based Compensation Plans) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award
Total stock compensation expense	$ 1.4	$ 1.3	$ 1.5
Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Shares reserved for future issuance (in shares)	700,000

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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