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Concentration of Operations (Tables) | 12 Months Ended
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Dec. 31, 2015
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Net Premiums Earned for the Different Lines of Business | Total net premiums earned for the different lines of business are shown below:
|  | 2015 |  |  | 2014 |  |  | 2013 |
| Dollars |  |  | Percent |  |  | Dollars |  |  | Percent |  |  | Dollars |  |  | Percent |
|  | (Dollars in thousands) |
Workers’ compensation |  | $ | 375,894 |  |  |  | 100.0% |  |  | $ | 375,746 |  |  |  | 100.0% |  |  | $ | 329,986 |  |  |  | 100.0% |
General liability |  |  | — |  |  |  | 0.0% |  |  |  | 1 |  |  |  | 0.0% |  |  |  | (3) |  |  |  | 0.0% |
Total net premiums earned |  | $ | 375,894 |  |  |  | 100.0% |  |  | $ | 375,747 |  |  |  | 100.0% |  |  | $ | 329,983 |  |  |  | 100.0% |
Net Premiums Earned for the Top Ten States | Net premiums earned during 2015, 2014 and 2013 for the top ten states in 2015 and all others are shown below:
|  | 2015 |  |  | 2014 |  |  | 2013 |
| Dollars |  |  | Percent |  |  | Dollars |  |  | Percent |  |  | Dollars |  |  | Percent |
|  | (Dollars in thousands) |
Georgia |  | $ | 40,497 |  |  |  | 10.8% |  |  | $ | 36,761 |  |  |  | 9.8% |  |  | $ | 30,096 |  |  |  | 9.1% |
Louisiana |  |  | 38,874 |  |  |  | 10.3 |  |  |  | 47,643 |  |  |  | 12.7 |  |  |  | 42,110 |  |  |  | 12.8 |
Pennsylvania |  |  | 36,294 |  |  |  | 9.7 |  |  |  | 35,488 |  |  |  | 9.4 |  |  |  | 28,880 |  |  |  | 8.8 |
Florida |  |  | 24,792 |  |  |  | 6.6 |  |  |  | 20,691 |  |  |  | 5.5 |  |  |  | 12,950 |  |  |  | 3.9 |
Illinois |  |  | 23,285 |  |  |  | 6.2 |  |  |  | 20,606 |  |  |  | 5.5 |  |  |  | 18,445 |  |  |  | 5.6 |
North Carolina |  |  | 20,062 |  |  |  | 5.3 |  |  |  | 20,872 |  |  |  | 5.6 |  |  |  | 21,019 |  |  |  | 6.4 |
Virginia |  |  | 15,656 |  |  |  | 4.2 |  |  |  | 16,764 |  |  |  | 4.5 |  |  |  | 15,751 |  |  |  | 4.8 |
Texas |  |  | 15,226 |  |  |  | 4.0 |  |  |  | 14,846 |  |  |  | 4.0 |  |  |  | 14,949 |  |  |  | 4.5 |
Minnesota |  |  | 14,618 |  |  |  | 3.9 |  |  |  | 13,159 |  |  |  | 3.5 |  |  |  | 10,470 |  |  |  | 3.2 |
Oklahoma |  |  | 13,420 |  |  |  | 3.6 |  |  |  | 16,599 |  |  |  | 4.4 |  |  |  | 17,473 |  |  |  | 5.3 |
All others |  |  | 133,170 |  |  |  | 35.4 |  |  |  | 132,318 |  |  |  | 35.1 |  |  |  | 117,840 |  |  |  | 35.6 |
Total net premiums earned |  | $ | 375,894 |  |  |  | 100.0% |  |  | $ | 375,747 |  |  |  | 100.0% |  |  | $ | 329,983 |  |  |  | 100.0% |

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