Schedule IV - Reinsurance (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Premium Earned: | |||
| Gross amount | $ 494,643 | $ 461,367 | $ 434,022 |
| Ceded to other companies | 145,562 | 140,477 | 76,685 |
| Assumed from other companies | 327 | 3,204 | |
| Net premiums earned | $ 349,081 | $ 321,217 | $ 360,541 |
| Percentage of amount assumed to net | 0.00% | 0.10% | 0.89% |
| Property, Liability and Casualty Insurance Segment [Member] | |||
| Premium Earned: | |||
| Gross amount | $ 494,643 | $ 461,367 | $ 434,022 |
| Ceded to other companies | 145,562 | 140,477 | 76,685 |
| Assumed from other companies | 327 | 3,204 | |
| Net premiums earned | $ 349,081 | $ 321,217 | $ 360,541 |
| Percentage of amount assumed to net | 0.00% | 0.10% | 0.89% |