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Summary of Significant Accounting Policies (Investments in Unconsolidated Affiliates) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Accounting Policies [Abstract]
Net difference between investment and underlying equity in unconsolidated affiliates	$ 14,650	$ 11,674

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- Definition

Net Difference of Investment in Unconsolidated Affiliates and the Equity of Unconsolidated Affiliates

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No definition available.

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