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Consolidated Statements of Changes in Stockholders' Equity (USD $)
In Thousands, except Share data, unless otherwise specified |
Total
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Common Stock - Number of Shares Gross Shares Issued and Outstanding [Member]
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Common Stock - Number of Shares Treasury Shares [Member]
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Common Stock - Number of Net Shares Issued and Outstanding [Member]
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Stockholders' Equity Additional Paid-in Capital [Member]
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Stockholders' Equity Unearned Compensation [Member]
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Stockholders' Equity Accumulated Other Comprehensive Income (Loss) [Member]
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Stockholders' Equity Retained Earnings (Deficit) [Member]
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|---|---|---|---|---|---|---|---|---|
| Beginning balance at Dec. 31, 2011 | $ 285,608 | $ 257 | $ (69,858) | $ 549,744 | $ (166) | $ 3,524 | $ (197,893) | |
| Beginning balance, shares at Dec. 31, 2011 | 32,066,987 | (577,786) | 31,489,201 | |||||
| Share-based compensation expense | 102 | 77 | 25 | |||||
| Restricted stock awards | (25) | 25 | ||||||
| Comprehensive income: | ||||||||
| Net income | 63,116 | 63,116 | ||||||
| Change in unrealized gain on securities Available-for-sale and interest-only strips, net of income taxes | (370) | (370) | ||||||
| Total comprehensive income | 62,746 | |||||||
| Ending balance at Jun. 30, 2012 | 348,456 | 257 | (69,858) | 549,796 | (116) | 3,154 | (134,777) | |
| Ending balance, shares at Jun. 30, 2012 | 32,066,987 | (577,786) | 31,489,201 | |||||
| Beginning balance at Dec. 31, 2012 | 378,364 | 257 | (69,858) | 550,123 | (57) | 5,418 | (107,519) | |
| Beginning balance, shares at Dec. 31, 2012 | 32,074,434 | (577,894) | 31,496,540 | |||||
| Share-based compensation expense | 189 | 165 | 24 | |||||
| Exercises of stock options | (291) | 2,241 | 2,241 | (291) | ||||
| Exercises of stock warrants | 1,289 | 106,056 | 106,056 | 1,289 | ||||
| Comprehensive income: | ||||||||
| Net income | 19,629 | 19,629 | ||||||
| Change in unrealized gain on securities Available-for-sale and interest-only strips, net of income taxes | (3,784) | (3,784) | ||||||
| Total comprehensive income | 15,845 | |||||||
| Ending balance at Jun. 30, 2013 | $ 395,396 | $ 257 | $ (69,858) | $ 551,286 | $ (33) | $ 1,634 | $ (87,890) | |
| Ending balance, shares at Jun. 30, 2013 | 32,182,731 | (577,894) | 31,604,837 |