Investments Reconciliation, Investments by Category (Details) (USD $) | 12 Months Ended |
In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012 |
| security | security |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Debt Securities | $273,024 | $149,157 |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 3,513 | 4,603 |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 3,363 | 349 |
Investments | 288,926 | 152,180 |
Equity securities (adjusted cost of $13,825 and $2,537 respectively) | 15,602 | 2,723 |
Available-for-sale Securities, Amortized Cost Basis | 288,776 | 147,926 |
Other long-term investments | 300 | 300 |
Available-for-sale, Securities in Unrealized Loss Positions, Less Than Twelve Months, Qualitative Disclosure, Number of Positions | 148 | 30 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 3,027 | 331 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 160,988 | 46,794 |
Available-for-sale, Securities in Unrealized Loss Positions, Twelve Months or More, Qualitative Disclosure, Number of Positions | 8 | 4 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 336 | 18 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 6,038 | 413 |
U.S. government and agency securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Debt Securities | 97,480 | 95,208 |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 28 | 201 |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 1,169 | 289 |
Available-for-sale Securities, Amortized Cost Basis | 98,621 | 95,296 |
Available-for-sale, Securities in Unrealized Loss Positions, Less Than Twelve Months, Qualitative Disclosure, Number of Positions | 47 | 13 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 850 | 289 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 64,369 | 44,174 |
Available-for-sale, Securities in Unrealized Loss Positions, Twelve Months or More, Qualitative Disclosure, Number of Positions | 7 | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 319 | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 5,913 | 0 |
Foreign Government Debt Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Debt Securities | 3,227 | ' |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 0 | ' |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 60 | ' |
Available-for-sale Securities, Amortized Cost Basis | 3,287 | ' |
Available-for-sale, Securities in Unrealized Loss Positions, Less Than Twelve Months, Qualitative Disclosure, Number of Positions | 4 | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 60 | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 3,227 | ' |
Available-for-sale, Securities in Unrealized Loss Positions, Twelve Months or More, Qualitative Disclosure, Number of Positions | 0 | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 0 | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | ' |
US States and Political Subdivisions Debt Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Debt Securities | 45,777 | 19,035 |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 654 | 1,918 |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 433 | 0 |
Available-for-sale Securities, Amortized Cost Basis | 45,556 | 17,117 |
Available-for-sale, Securities in Unrealized Loss Positions, Less Than Twelve Months, Qualitative Disclosure, Number of Positions | 23 | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 433 | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 27,106 | ' |
Available-for-sale, Securities in Unrealized Loss Positions, Twelve Months or More, Qualitative Disclosure, Number of Positions | 0 | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 0 | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | ' |
Public Utility, Bonds [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Debt Securities | 9,133 | 4,360 |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 122 | 225 |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 92 | 0 |
Available-for-sale Securities, Amortized Cost Basis | 9,103 | 4,135 |
Available-for-sale, Securities in Unrealized Loss Positions, Less Than Twelve Months, Qualitative Disclosure, Number of Positions | 4 | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 92 | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 3,830 | ' |
Available-for-sale, Securities in Unrealized Loss Positions, Twelve Months or More, Qualitative Disclosure, Number of Positions | 0 | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 0 | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | ' |
All Other Corporate Bonds [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Debt Securities | 117,407 | 30,294 |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 792 | 2,013 |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 1,469 | 1 |
Available-for-sale Securities, Amortized Cost Basis | 118,084 | 28,282 |
Redeemable Preferred Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Debt Securities | ' | 260 |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | ' | 2 |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | ' | 1 |
Available-for-sale Securities, Amortized Cost Basis | ' | 259 |
Available-for-sale, Securities in Unrealized Loss Positions, Less Than Twelve Months, Qualitative Disclosure, Number of Positions | ' | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | ' | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | ' | 0 |
Available-for-sale, Securities in Unrealized Loss Positions, Twelve Months or More, Qualitative Disclosure, Number of Positions | ' | 1 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | ' | 1 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | ' | 102 |
Fixed Maturities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Debt Securities | 273,024 | 149,157 |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 1,596 | 4,359 |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 3,223 | 291 |
Available-for-sale Securities, Amortized Cost Basis | 274,651 | 145,089 |
Available-for-sale, Securities in Unrealized Loss Positions, Less Than Twelve Months, Qualitative Disclosure, Number of Positions | 127 | 14 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 2,904 | 290 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 158,880 | 46,174 |
Available-for-sale, Securities in Unrealized Loss Positions, Twelve Months or More, Qualitative Disclosure, Number of Positions | 7 | 1 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 319 | 1 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 5,913 | 102 |
Public Utility, Equities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 23 | 16 |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 20 | 6 |
Equity securities (adjusted cost of $13,825 and $2,537 respectively) | 807 | 326 |
Available-for-sale Securities, Amortized Cost Basis | 804 | 316 |
Available-for-sale, Securities in Unrealized Loss Positions, Less Than Twelve Months, Qualitative Disclosure, Number of Positions | 5 | 3 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 20 | 6 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 357 | 178 |
Available-for-sale, Securities in Unrealized Loss Positions, Twelve Months or More, Qualitative Disclosure, Number of Positions | 0 | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 0 | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | 0 |
Common Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale, Securities in Unrealized Loss Positions, Less Than Twelve Months, Qualitative Disclosure, Number of Positions | 15 | 13 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 97 | 35 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 1,626 | 442 |
Available-for-sale, Securities in Unrealized Loss Positions, Twelve Months or More, Qualitative Disclosure, Number of Positions | 0 | 1 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 0 | 3 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | 53 |
Other Common Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 1,894 | 228 |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 97 | 38 |
Equity securities (adjusted cost of $13,825 and $2,537 respectively) | 14,546 | 2,139 |
Available-for-sale Securities, Amortized Cost Basis | 12,749 | 1,949 |
Nonredeemable Preferred Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 0 | 0 |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 23 | 14 |
Equity securities (adjusted cost of $13,825 and $2,537 respectively) | 249 | 258 |
Available-for-sale Securities, Amortized Cost Basis | 272 | 272 |
Available-for-sale, Securities in Unrealized Loss Positions, Less Than Twelve Months, Qualitative Disclosure, Number of Positions | 1 | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 6 | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 125 | 0 |
Available-for-sale, Securities in Unrealized Loss Positions, Twelve Months or More, Qualitative Disclosure, Number of Positions | 1 | 2 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 17 | 14 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 125 | 258 |
Equity Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 1,917 | 244 |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 140 | 58 |
Equity securities (adjusted cost of $13,825 and $2,537 respectively) | 15,602 | 2,723 |
Available-for-sale Securities, Amortized Cost Basis | 13,825 | 2,537 |
Available-for-sale, Securities in Unrealized Loss Positions, Less Than Twelve Months, Qualitative Disclosure, Number of Positions | 21 | 16 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 123 | 41 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 2,108 | 620 |
Available-for-sale, Securities in Unrealized Loss Positions, Twelve Months or More, Qualitative Disclosure, Number of Positions | 1 | 3 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 17 | 17 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 125 | 311 |
Other Long-term Investments [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 0 | 0 |
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 0 | 0 |
Available-for-sale Securities, Amortized Cost Basis | 300 | 300 |
Other long-term investments | 300 | 300 |
Corporate Debt Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale, Securities in Unrealized Loss Positions, Less Than Twelve Months, Qualitative Disclosure, Number of Positions | 49 | 1 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 1,469 | 1 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 60,348 | 2,000 |
Available-for-sale, Securities in Unrealized Loss Positions, Twelve Months or More, Qualitative Disclosure, Number of Positions | ' | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | ' | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | ' | $0 |