|
Investments - Other Investments (Details) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2013
|
Dec. 31, 2012
|
Jun. 30, 2012
|
|---|---|---|---|
| Schedule of Investments [Line Items] | |||
| Other investments | $ 4,438 | $ 2,901 | |
| % of Total fair value | 100.00% | 100.00% | |
|
Investments in limited partnerships [Member]
|
|||
| Schedule of Investments [Line Items] | |||
| Other investments | 3,438 | 2,901 | |
| % of Total fair value | 77.50% | 100.00% | |
| Unfunded commitment on investments in limited partnerships | 2,562 | ||
|
Other [Member]
|
|||
| Schedule of Investments [Line Items] | |||
| Other investments | $ 1,000 | $ 0 | |
| % of Total fair value | 22.50% | 0.00% |