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Investments (Details Textual) (USD $)
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3 Months Ended |
6 Months Ended |
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Jun. 30, 2012
Securities
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Jun. 30, 2011
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Jun. 30, 2012
Securities
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Jun. 30, 2011
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Dec. 31, 2011
Securities
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| Investments (Textual) [Abstract] |
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| Number of fixed maturities and equity securities below cost |
65 |
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65 |
|
85 |
| Investments (Additional Textual) [Abstract] |
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| Decline in fair value as a percentage of amortized cost |
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10.00% |
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| Number of Non Domestic Agency mortgage-backed securities identify by company |
17 |
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17 |
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17 |
| Time frame for initial default rates assumed to remain constant |
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24 months |
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| Allowance for potential future losses |
$ (2,517,000) |
|
$ (2,517,000) |
|
$ (2,849,000) |
| Percentage of invested assets in commercial mortgage loans |
16.00% |
|
16.00% |
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17.00% |
| Average loan to value ratio for overall portfolio |
45.00% |
|
45.00% |
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46.00% |
| Loans refinanced |
4,000,000 |
1,900,000 |
8,600,000 |
9,700,000 |
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| Maximum period of commits to fund commercial mortgage loans |
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120 days |
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| Construction to permanent loan |
2,800,000 |
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2,800,000 |
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| Construction to permanent loan disbursed |
$ 2,500,000 |
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$ 2,500,000 |
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| Percentage of concentration of mortgage loans by state |
5.00% |
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5.00% |
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5.00% |
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Less Than One Year [Member]
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| Investments (Textual) [Abstract] |
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| Number of fixed maturities and equity securities below cost |
30 |
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30 |
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46 |
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One Year Or More And Less Than Three Years [Member]
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| Investments (Textual) [Abstract] |
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| Number of fixed maturities and equity securities below cost |
6 |
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6 |
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10 |
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Three Years Or More [Member]
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| Investments (Textual) [Abstract] |
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| Number of fixed maturities and equity securities below cost |
29 |
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29 |
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29 |
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Maximum [Member]
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| Investments (Textual) [Abstract] |
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| Percentage declines of all investments in fair value below amortized cost |
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80.00% |
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Minimum [Member]
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| Investments (Textual) [Abstract] |
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| Percentage declines of all investments in fair value below amortized cost |
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10.00% |
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