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Income Taxes (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income Tax Examination [Line Items] |  |  |  |
Equity Method Investment Ownership Percentage Acquired |  |  |  | 21.10%
Valuation Allowance, Deferred Tax Asset, Change in Amount | $ 0 | $ (18,021) |  |
Income tax benefit | 800 | 637 | 796 |
Correction of Immaterial Errors |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Increase (Decrease) in Deferred Tax Assets |  | (10,350) |  |
Review of Realizability of Deferred Tax Assets |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Valuation Allowance, Deferred Tax Asset, Change in Amount |  | (6,493) |  |
Income tax benefit |  | (6,493) |  |
Review of Realizability of Remaining Deferred Tax Assets |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Income tax benefit |  | $ (1,178) |  |

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