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Income Taxes (Summary Of Tax Credit Carryforwards) (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
|---|---|
| Tax Credit Carryforward [Line Items] | |
| Total net operating loss amount | $ 215,562 |
| Tax windfall | (5,154) |
| After limitations | 210,408 |
|
Operating loss carryforward expiration year 2020
|
|
| Tax Credit Carryforward [Line Items] | |
| Net operating loss amount | 26,231 |
|
Operating loss carryforward expiration year 2021
|
|
| Tax Credit Carryforward [Line Items] | |
| Net operating loss amount | 50,430 |
|
Operating loss carryforward expiration year 2022
|
|
| Tax Credit Carryforward [Line Items] | |
| Net operating loss amount | 115,000 |
|
Operating loss carryforward expiration year 2023
|
|
| Tax Credit Carryforward [Line Items] | |
| Net operating loss amount | 5,712 |
|
Operating loss carryforward expiration year 2024
|
|
| Tax Credit Carryforward [Line Items] | |
| Net operating loss amount | 3,566 |
|
Operating loss carryforward expiration year 2025
|
|
| Tax Credit Carryforward [Line Items] | |
| Net operating loss amount | 1,707 |
|
Operating loss carryforward expiration year 2026
|
|
| Tax Credit Carryforward [Line Items] | |
| Net operating loss amount | 584 |
|
Operating loss carryforward expiration year 2027
|
|
| Tax Credit Carryforward [Line Items] | |
| Net operating loss amount | 586 |
|
Operating loss carryforward expiration year 2028
|
|
| Tax Credit Carryforward [Line Items] | |
| Net operating loss amount | 1,646 |
|
Operating loss carryforward expiration year 2029
|
|
| Tax Credit Carryforward [Line Items] | |
| Net operating loss amount | 4,074 |
|
Operating loss carryforward expiration year 2030 and beyond
|
|
| Tax Credit Carryforward [Line Items] | |
| Net operating loss amount | $ 6,026 |