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Fair Value Measurements (Details 2) (Common Stock [Member], USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Common Stock [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Adjusted Cost | $ 4,195 | $ 4,195
Gross Unrealized Gains | 16,018 | 9,778
Gross Unrealized Losses | 0 | 0
Fair Value | $ 20,213 | $ 13,973

X
- Definition Amount before tax of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References No definition available. + Details
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- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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