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Stock-Based Compensation Arrangements (Restricted Stock) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
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9 Months Ended |
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Sep. 30, 2012
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| Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value [Roll Forward] |
|
| Non-vested at end of period |
$ 10.39 |
|
[RestrictedStockMember]
|
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| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] |
|
| Non-Vested at beginning of period |
830 |
| Granted |
388 |
| Vested |
(423) |
| Forfeited |
(41) |
| Non-Vested at end of period |
754 |
| Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value [Roll Forward] |
|
| Non-vested at beginning of period |
$ 10.13 |
| Granted |
$ 9.49 |
| Vested |
$ 9.31 |
| Forfeited |
$ 9.95 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |
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| Total grant date fair value of shares vesting during the period |
$ 3,938 |