Investments Amortized cost, gross unrealized gains and losses, and estimated fair value (Details) - USD ($)
$ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Total fixed maturities |
$ 55,606
|
$ 56,000
|
| Total equity investments |
27,559
|
|
| Total fixed maturities and equity investments |
82,034
|
72,579
|
| Gross Unrealized Gains, Fixed Maturities |
182
|
537
|
| Gross Unrealized Losses, Fixed Maturities |
229
|
342
|
| Estimated Fair Value, Fixed Maturities |
55,559
|
56,195
|
| Equity investments, cost |
26,428
|
16,579
|
| Gross Unrealized Gains |
3,698
|
3,897
|
| Gross Unrealized Losses |
2,614
|
663
|
| Estimated Fair Value, Fixed Maturities and Equity Investments |
83,118
|
75,813
|
| US Government Agencies Debt Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Total fixed maturities |
20,443
|
|
| Gross Unrealized Gains, Fixed Maturities |
73
|
333
|
| Gross Unrealized Losses, Fixed Maturities |
63
|
10
|
| Estimated Fair Value, Fixed Maturities |
20,453
|
20,759
|
| Gross Unrealized Losses |
63
|
10
|
| Estimated Fair Value, Fixed Maturities and Equity Investments |
20,453
|
20,759
|
| Foreign Government Debt Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Estimated Fair Value, Fixed Maturities |
|
4,242
|
| Gross Unrealized Losses |
|
277
|
| Estimated Fair Value, Fixed Maturities and Equity Investments |
|
4,242
|
| US States and Political Subdivisions Debt Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Total fixed maturities |
2,241
|
3,358
|
| Gross Unrealized Gains, Fixed Maturities |
20
|
61
|
| Gross Unrealized Losses, Fixed Maturities |
5
|
0
|
| Estimated Fair Value, Fixed Maturities |
2,256
|
3,419
|
| Gross Unrealized Losses |
5
|
0
|
| Estimated Fair Value, Fixed Maturities and Equity Investments |
2,256
|
3,419
|
| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Total fixed maturities |
7,997
|
5,330
|
| Gross Unrealized Gains, Fixed Maturities |
25
|
37
|
| Gross Unrealized Losses, Fixed Maturities |
59
|
15
|
| Estimated Fair Value, Fixed Maturities |
7,963
|
5,352
|
| Gross Unrealized Losses |
59
|
15
|
| Estimated Fair Value, Fixed Maturities and Equity Investments |
7,963
|
5,352
|
| Asset-backed Securities, Securitized Loans and Receivables [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Total fixed maturities |
6,040
|
7,221
|
| Gross Unrealized Gains, Fixed Maturities |
4
|
3
|
| Gross Unrealized Losses, Fixed Maturities |
21
|
10
|
| Estimated Fair Value, Fixed Maturities |
6,023
|
7,214
|
| Estimated Fair Value, Fixed Maturities and Equity Investments |
6,023
|
7,214
|
| Corporate Debt Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Total fixed maturities |
18,885
|
15,136
|
| Gross Unrealized Gains, Fixed Maturities |
60
|
103
|
| Gross Unrealized Losses, Fixed Maturities |
81
|
30
|
| Estimated Fair Value, Fixed Maturities |
18,864
|
15,209
|
| Gross Unrealized Losses |
81
|
30
|
| Estimated Fair Value, Fixed Maturities and Equity Investments |
18,864
|
15,209
|
| Common Stock [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Total equity investments |
26,586
|
19,526
|
| Equity investments, cost |
25,177
|
16,450
|
| Gross Unrealized Gains, Equity Investments |
3,464
|
3,360
|
| Gross Unrealized Losses, Equity Investments |
2,055
|
284
|
| Gross Unrealized Losses |
2,055
|
284
|
| Warrant [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Total equity investments |
973
|
92
|
| Equity investments, cost |
1,251
|
129
|
| Gross Unrealized Gains, Equity Investments |
52
|
0
|
| Gross Unrealized Losses, Equity Investments |
330
|
37
|
| Gross Unrealized Losses |
330
|
37
|
| Equity Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Total equity investments |
27,559
|
19,618
|
| Equity investments, cost |
26,428
|
16,579
|
| Gross Unrealized Gains, Equity Investments |
3,516
|
3,360
|
| Gross Unrealized Losses, Equity Investments |
2,385
|
321
|
| Gross Unrealized Losses |
$ 2,385
|
321
|
| Foreign Government Debt Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Total fixed maturities |
|
4,519
|
| Foreign Government Debt Securities [Member] | Foreign Government Debt Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Gross Unrealized Gains, Fixed Maturities |
|
0
|
| Gross Unrealized Losses, Fixed Maturities |
|
277
|
| US Government Agencies Debt Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Total fixed maturities |
|
$ 20,436
|