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Condensed Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified | Total | Preferred Stock [Member] | Common Stock [Member] | Additional Paid In Capital [Member] | Returned Earnings/ (Accumulated Deficit) [Member] | Accumulated Other Comprehensive Loss [Member]
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2013 | $ 682,956 | $ 35 | $ 369 | $ 697,610 | $ (14,188) | $ (870)
Beginning balance, Shares at Dec. 31, 2013 |  | 3,450,000 | 36,888,467 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Capital decrease related to Equity Incentive Plan (in shares) |  |  | 237,008 |  |  |
Capital increase related to Equity Incentive Plan | (419) |  | 2 | (421) |  |
Issuance of stock, Shares |  |  | 0 |  |  |
Issuance of stock | 0 |  | 0 | 0 |  |
Offering costs | (9) |  |  | (9) |  |
Convertible senior notes | 4,617 |  |  | 4,617 |  |
Net income | 17,580 |  |  |  | 17,580 |
Change in net unrealized gain on securities available-for-sale | (17) |  |  |  |  | (17)
Dividends on common stock | (14,936) |  |  |  | (14,936) |
Dividends on preferred stock | (1,860) |  |  |  | (1,860) |
Ending balance at Mar. 31, 2014 | $ 687,912 | $ 35 | $ 371 | $ 701,797 | $ (13,404) | $ (887)
Ending balance, Shares at Mar. 31, 2014 |  | 3,450,000 | 37,125,475 |  |  |

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