| **Net Income (Loss) Per Share (Details) (USD $)In Thousands, except Per Share data, unless otherwise specified** | 3 Months Ended | 12 Months Ended |
|------------------------------------------------------------------------------------------------------------------|----------------|-----------------|
||
| **Net Income (Loss) (Numerator) [Abstract]**                                                                     |           |            |   |   |   |   |   |   |   |   |   |
| Net income (loss), basic                                                                                         |           |            |   |   |   |   |   |   |   | $ 10,381 |   |
| Dilutive effect of stock options                                                                                 |           |            |   |   |   |   |   |   |   | 0 |   |
| Dilutive effect of restricted stock                                                                              |           |            |   |   |   |   |   |   |   | 0 |   |
| Net income (loss), diluted                                                                                       |           |            |   |   |   |   |   |   |   | 10,381 |   |
| Net income (loss), basic and diluted                                                                             | $ (324)        | $ (11,301)      | $ (10,720) | $ (13,086) | $ (10,746) | $ (11,432) | $ 55,486 | $ (22,927) | $ (35,431) | $ 10,381 | $ (69,725) |
| **Weighted Average Common Shares (Denominator) Abstract**                                                        |           |            |   |   |   |   |   |   |   |   |   |
| Shares outstanding, Basic (in shares)                                                                            |           |            |   |   |   |   |   |   | 34,754 | 33,375 | 32,590 |
| Dilutive effect of stock options (in shares)                                                                     |           |            |   |   |   |   |   |   |   | 66 |   |
| Dilutive effect of restricted stock (in shares)                                                                  |           |            |   |   |   |   |   |   |   | 53 |   |
| Shares outstanding, Diluted (in shares)                                                                          |           |            |   |   |   |   |   |   | 34,754 | 33,494 | 32,590 |
| Shares outstanding, Basic and Diluted (in shares)                                                                |           |            |   |   |   |   |   |   | 34,754 |   | 32,590 |
| **Per share [Abstract]**                                                                                         |           |            |   |   |   |   |   |   |   |   |   |
| Net income (loss) per share, basic (in dollars per share)                                                        |           |            |   |   | $ (0.32) | $ (0.34) | $ 1.66 | $ (0.69) | $ (1.02) | $ 0.31 | $ (2.14) |
| Net income (loss) per share, diluted (in dollars per share)                                                      |           |            |   |   | $ (0.32) | $ (0.34) | $ 1.64 | $ (0.69) | $ (1.02) | $ 0.31 | $ (2.14) |
| Net income (loss) per share, basic and diluted (in dollars per share)                                            | $ (0.01)       | $ (0.33)        | $ (0.32) | $ (0.39) |   |   |   |   | $ (1.02) |   | $ (2.14) |
| **Anti-dilutive common shares excluded from diluted per share amounts [Abstract]**                               |           |            |   |   |   |   |   |   |   |   |   |
| Shares of unvested restricted stock outstanding (in shares)                                                      | 28             |            |   |   | 98 |   |   |   | 28 | 98 |   |
| Weighted Average Number (in shares)                                                                              |           |            |   |   |   |   |   |   | 6,007 | 4,588 | 5,082 |
| Options [Member]                                                                                                 |           |            |   |   |   |   |   |   |   |   |   |
| **Anti-dilutive common shares excluded from diluted per share amounts [Abstract]**                               |           |            |   |   |   |   |   |   |   |   |   |
| Weighted Average Number (in shares)                                                                              |           |            |   |   |   |   |   |   | 5,947 | 4,543 | 5,037 |
| Weighted Average Exercise Price (in dollars per share)                                                           |           |            |   |   |   |   |   |   | $ 12.32 | $ 14.92 | $ 15.17 |
| Restricted stock [Member]                                                                                        |           |            |   |   |   |   |   |   |   |   |   |
| **Anti-dilutive common shares excluded from diluted per share amounts [Abstract]**                               |           |            |   |   |   |   |   |   |   |   |   |
| Shares of unvested restricted stock outstanding (in shares)                                                      | 28             |            |   |   | 98 |   |   |   | 28 | 98 | 341 |
| Weighted Average Number (in shares)                                                                              |           |            |   |   |   |   |   |   | 60 | 45 | 45 |

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| - Definition
The amount resulting from the "as if" assumption that restrictive stock were exercised for purposes of computing the dilutive effect of convertible securities.
+ References
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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.
+ References
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| - Definition
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.
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| - Definition
The amount resulting from the "as if" assumption that stock options or restrictive stock units were exercised for purposes of computing the dilutive effect of convertible securities.
+ References
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| - Definition
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
+ References
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| - Definition
The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements.  Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period.  Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
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| - Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
+ References
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.
+ References
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| - Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).
+ References
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| - Definition
Net Income or Loss Available to Common Stockholders plus adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.
+ References
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| - Definition
The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.
+ References
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| - Definition
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).
+ References
No definition available.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
+ References
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