v2.4.0.8

Income Taxes (Narrative) (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Federal tax benefits | $ (684,000) | $ (229,000) | $ (3,213,000)
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 21,500,000 |  |
Unrecognized tax benefits | 21,549,000 | 19,184,000 | 8,376,000
Stock Compensation Plan [Member] |  |  |
Operating loss carryforwards | 200,000,000 |  |
U.S. Federal [Member] |  |  |
Operating loss carryforwards | 2,200,000,000 |  |
U.S. Federal [Member] | Minimum [Member] |  |  |
Operating loss carryforwards, expiration dates | Dec. 31, 2021 |  |
U.S. Federal [Member] | Maximum [Member] |  |  |
Operating loss carryforwards, expiration dates | Dec. 31, 2032 |  |
State [Member] |  |  |
Operating loss carryforwards | 1,100,000,000 |  |
State [Member] | Minimum [Member] |  |  |
Operating loss carryforwards, expiration dates | Dec. 31, 2013 |  |
State [Member] | Maximum [Member] |  |  |
Operating loss carryforwards, expiration dates | Dec. 31, 2033 |  |
Foreign [Member] |  |  |
Operating loss carryforwards | $ 100,000,000 |  |

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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