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Earnings (Loss) Per Share (Details 1) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
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Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Schedule of antidilutive shares excluded from computation of earnings per share |  |  |  |
Shares excluded from the calculation of diluted earnings per share | 0 | 2,445 | 2,234 | 2,445
Stock options [Member] |  |  |  |
Schedule of antidilutive shares excluded from computation of earnings per share |  |  |  |
Shares excluded from the calculation of diluted earnings per share | 0 | 457 | 449 | 457
Non-vested restricted Class B common stock [Member] |  |  |  |
Schedule of antidilutive shares excluded from computation of earnings per share |  |  |  |
Shares excluded from the calculation of diluted earnings per share | 0 | 1,988 | 1,785 | 1,988

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + 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 (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Antidilution -URI http://asc.fasb.org/extlink&oid=6505113 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Diluted Earnings Per Share -URI http://asc.fasb.org/extlink&oid=6510752 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Stock Agreement -URI http://asc.fasb.org/extlink&oid=6508534 + Details
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