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Stockholder's Equity (Tables) | 9 Months Ended
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Sep. 30, 2012
Stockholders' Equity [Abstract] |
Changes in stockholders equity | Changes in stockholders’ equity for the nine months ended September 30, 2012 were as follows:
|  | Total Equity |
|  | Attributable to |
($ in thousands) |  | Shareholders |
Balance at December 31, 2011 |  | $ | 183,155 |
Net income |  |  | 25,459 |
Net unrealized gains on available-for-sale securities, net of tax |  |  | (54 | )
Conversion of Series B preferred shares |  |  | 35,217 |
Treasury stock repurchases |  |  | (3,059 | )
Issuance of common stock related to stock transactions |  |  | 2,339 |
Taxes paid related to net share settlement of restricted stock units |  |  | (11,280 | )
Stock-based compensation |  |  | 4,920 |
Balance at September 30, 2012 |  | $ | 236,697 |

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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