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Income Taxes Deferred Taxes (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Deferred tax assets: |  |
Net operating loss and capital loss carryforwards and credits | $ 15,668 | $ 7,626
Amortization and depreciation | 0 | 6,252
Stock compensation | 1,140 | 2,665
Basis of investments in affiliates | 415 | 1,375
Accrued liabilities and other | 250 | 471
Unrealized loss on short-term investments | 415 | 746
State taxes | 212 | 124
Other | 0 | 278
Total deferred tax assets | 18,100 | 19,537
Deferred tax liabilities: |  |
State taxes | 0 | 0
Fixed assets and intangibles | (39,457) | 0
Other | (60) | 0
Total deferred tax liabilities | (39,517) | 0
Net deferred tax liabilities | (21,417) | 19,537
Less: valuation allowance | (5,396) | (19,537)
Net deferred taxes | $ (26,813) | $ 0

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