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Earnings per Share | 6 Months Ended
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Jun. 30, 2013
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | Earnings per Share Basic earnings per share are based upon the weighted average common shares outstanding during each period. Diluted earnings per share is based on the basic weighted earnings per share with additional weighted common shares for common stock equivalents. During the three months and six months ended June 30, 2013 and June 30, 2012 the Company had shares of restricted stock outstanding related to shares granted under the 2011 Restricted Stock Award Plan. A reconciliation of the numerator (net income) and denominator (weighted average number of shares outstanding of the basic and diluted earnings per share ("EPS")) for the three months and six months ended June 30, 2013 and June 30, 2012 is as follows (in thousands, except per share data):
| Three months ended June 30, 2013
| Net Income (numerator) |  | Shares (denominator) |  | Per Share Amount
Basic EPS | $ | 19,138 |  |  | 84,789 |  |  | $ | 0.23 |
Effect of restricted stock | — |  |  | 250 |  |  |
Diluted EPS | $ | 19,138 |  |  | 85,039 |  |  | $ | 0.23 |
| Three months ended June 30, 2012
| Net Income (numerator) |  | Shares (denominator) |  | Per Share Amount
Basic EPS | $ | 18,227 |  |  | 86,451 |  |  | $ | 0.21 |
Effect of restricted stock | — |  |  | 328 |  |  |
Diluted EPS | $ | 18,227 |  |  | 86,779 |  |  | $ | 0.21 |
| Six months ended June, 2013
| Net Income (numerator) |  | Shares (denominator) |  | Per Share Amount
Basic EPS | 38,874 |  |  | 84,780 |  |  | 0.46 |
Effect of restricted stock | — |  |  | 262 |  |  |
Diluted EPS | $ | 38,874 |  |  | 85,042 |  |  | $ | 0.46 |
| Six months ended June, 2012
| Net Income (numerator) |  | Shares (denominator) |  | Per Share Amount
Basic EPS | $ | 34,816 |  |  | 86,463 |  |  | $ | 0.40 |
Effect of restricted stock | — |  |  | 339 |  |  |
Diluted EPS | $ | 34,816 |  |  | 86,802 |  |  | $ | 0.40 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 + Details
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