Fair Value Disclosures (Quantitative Information About Level 3 Fair Value Measurements) (Details) (Star Asia [Member], USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
Jun. 30, 2013	Dec. 31, 2012
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate on debt	7.32%	6.82%
Equity Method Investments [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	$ 20,935	$ 30,169
Discount rate on debt	7.32%	6.82%
Equity Method Investments [Member] \| Significant Unobservable Inputs (Level 3) [Member] \| Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate on debt	7.32%	6.82%

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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