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Condensed Consolidated Statement Of Changes In Stockholders' Equity (USD $) In Thousands | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-In-Capital [Member] | Retained Earnings (Deficit) [Member] | Total
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2011 | $ 921 | $ (602) | $ 647,374 | $ (13,455) | $ 634,238
Balance, shares at Dec. 31, 2011 | 92,461 | 22 |  |  |
Stock-based compensation, shares | 654 |  |  |  |
Stock-based compensation |  |  | 1,591 |  | 1,591
Vesting of restricted shares | 1 |  | (1) |  |
Treasury stock - tax withholdings, shares | (40) | 40 |  |  |
Treasury stock - tax withholdings |  | (1,181) |  |  | (1,181)
Net income |  |  |  | 16,441 | 16,441
Balance at Mar. 31, 2012 | $ 922 | $ (1,783) | $ 648,964 | $ 2,986 | $ 651,089
Balance, shares at Mar. 31, 2012 | 93,075 | 62 |  |  |

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