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Schedule - Valuation and Qualifying Accounts (Details) - Valuation and Qualifying Accounts (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Valuation and Qualifying Accounts [Abstract] | |||
| Deferred tax asset valuation allowance-Balance Begining of Period | $ 60,041 | $ 54,788 | $ 50,312 |
| Deferred tax asset valuation allowance-Additional Charged to Cost and Expense | 5,231 | 5,253 | 4,476 |
| Deferred tax asset valuation allowance-Balance at End of Period | $ 65,272 | $ 60,041 | $ 54,788 |