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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) (Income tax valuation allowance, deducted from deferred tax assets:, USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Income tax valuation allowance, deducted from deferred tax assets:
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| Movement in valuation and qualifying accounts | |||
| Balance at Beginning of Period | $ 89,020 | $ 79,420 | $ 67,131 |
| Charged to Costs and Expenses | 20,186 | 9,373 | 12,289 |
| Charged to Other Accounts | 6,796 | 227 | |
| Balance at End of Period | $ 116,002 | $ 89,020 | $ 79,420 |