Investments - Narrative, Cost or Amortized Cost, Gross Unrealized Gains and Losses, Fair Value and OTTI (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Investments |
|
|
| Fair Value |
$ 120,126
|
|
| Cost or Amortized Cost |
110,078
|
|
| States, municipalities and political subdivisions | Pre-refunded bonds |
|
|
| Investments |
|
|
| Fair Value |
13,820
|
$ 13,075
|
| Credit concentration | Corporate fixed maturity and equity securities | Europe |
|
|
| Investments |
|
|
| Cost or Amortized Cost |
4,852
|
5,833
|
| Gross Unrealized Gains |
$ 501
|
$ 711
|
| Credit concentration | Corporate fixed maturity and equity securities | Investment rated as investment grade | Energy sector |
|
|
| Investments |
|
|
| Concentration percentage |
96.00%
|
97.00%
|
| Investment portfolio | Credit concentration | Corporate fixed maturity and equity securities | Energy sector |
|
|
| Investments |
|
|
| Cost or Amortized Cost |
$ 5,285
|
$ 7,852
|
| Gross Unrealized Gains |
$ 387
|
$ 968
|
| Investment portfolio | Credit concentration | Corporate fixed maturity and equity securities | UNITED KINGDOM |
|
|
| Investments |
|
|
| Concentration percentage |
|
6.00%
|
| Investment portfolio | Credit concentration | Corporate fixed maturity and equity securities | Europe |
|
|
| Investments |
|
|
| Concentration percentage |
6.00%
|
|
| Investment portfolio | Credit concentration | Corporate fixed maturity and equity securities | Europe | Finance Sector |
|
|
| Investments |
|
|
| Concentration percentage |
3.00%
|
|
| Investment portfolio | Credit concentration | Corporate fixed maturity and equity securities | Other individual European countries | Maximum |
|
|
| Investments |
|
|
| Concentration percentage |
|
2.00%
|
| Investment portfolio | Credit concentration | States, municipalities and political subdivisions | Individual U. S. states | Maximum |
|
|
| Investments |
|
|
| Concentration percentage |
4.00%
|
|
| Investment portfolio | Credit concentration | States, municipalities and political subdivisions | Municipal revenue bonds |
|
|
| Investments |
|
|
| Concentration percentage |
55.00%
|
55.00%
|