Investments by Category and Level (Details) (USD $) | Jun. 30, 2014 | Dec. 31, 2013 |
In Thousands, unless otherwise specified |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | $347,403 | $288,926 |
U.S. government and agency securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 91,587 | 97,480 |
Foreign Government Debt Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 3,332 | 3,227 |
States, municipalities and political subdivisions [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 66,921 | 45,777 |
Public Utility, Bonds [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 9,327 | 9,133 |
Corporate Debt Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 114,277 | 117,407 |
Redeemable Preferred Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 405 | ' |
Fixed Maturities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 285,849 | 273,024 |
Mutual Fund [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 44,000 | ' |
Public Utility, Equities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 886 | 807 |
Common Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 15,636 | 14,546 |
Nonredeemable Preferred Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 732 | 249 |
Equity Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 61,254 | 15,602 |
Other Long-term Investments [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 300 | 300 |
Level 1 [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 61,959 | 15,902 |
Level 1 [Member] | U.S. government and agency securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 0 | 0 |
Level 1 [Member] | Foreign Government Debt Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 0 | 0 |
Level 1 [Member] | States, municipalities and political subdivisions [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 0 | 0 |
Level 1 [Member] | Public Utility, Bonds [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 0 | 0 |
Level 1 [Member] | Corporate Debt Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 0 | 0 |
Level 1 [Member] | Redeemable Preferred Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 405 | ' |
Level 1 [Member] | Fixed Maturities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 405 | 0 |
Level 1 [Member] | Mutual Fund [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 44,000 | ' |
Level 1 [Member] | Public Utility, Equities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 886 | 807 |
Level 1 [Member] | Common Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 15,636 | 14,546 |
Level 1 [Member] | Nonredeemable Preferred Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 732 | 249 |
Level 1 [Member] | Equity Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 61,254 | 15,602 |
Level 1 [Member] | Other Long-term Investments [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 300 | 300 |
Level 2 [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 285,444 | 273,024 |
Level 2 [Member] | U.S. government and agency securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 91,587 | 97,480 |
Level 2 [Member] | Foreign Government Debt Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 3,332 | 3,227 |
Level 2 [Member] | States, municipalities and political subdivisions [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 66,921 | 45,777 |
Level 2 [Member] | Public Utility, Bonds [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 9,327 | 9,133 |
Level 2 [Member] | Corporate Debt Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 114,277 | 117,407 |
Level 2 [Member] | Redeemable Preferred Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 0 | ' |
Level 2 [Member] | Fixed Maturities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 285,444 | 273,024 |
Level 2 [Member] | Mutual Fund [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 0 | ' |
Level 2 [Member] | Public Utility, Equities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 0 | 0 |
Level 2 [Member] | Common Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 0 | 0 |
Level 2 [Member] | Nonredeemable Preferred Stock [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 0 | 0 |
Level 2 [Member] | Equity Securities [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | 0 | 0 |
Level 2 [Member] | Other Long-term Investments [Member] | ' | ' |
Schedule of Available-for-sale Securities [Line Items] | ' | ' |
Available-for-sale Securities, Fair Value Disclosure | $0 | $0 |