|
Investments (Details 11) (USD $) In Thousands, unless otherwise specified
|
Jun. 30, 2012
|
Dec. 31, 2011
|
| Schedule Carrying Amount Of Mortgage Loans By Maturity |
|
|
| Mortgages loans Carrying Amount |
$ 582,017 |
$ 604,772 |
| Percentage of Total Carrying Amount |
100.00% |
100.00% |
|
Due In One Year Or Less [Member]
|
|
|
| Schedule Carrying Amount Of Mortgage Loans By Maturity |
|
|
| Mortgages loans Carrying Amount |
5,572 |
2,356 |
| Percentage of Total Carrying Amount |
1.00% |
|
|
Due After One Year Through Five Years [Member]
|
|
|
| Schedule Carrying Amount Of Mortgage Loans By Maturity |
|
|
| Mortgages loans Carrying Amount |
181,974 |
153,822 |
| Percentage of Total Carrying Amount |
32.00% |
25.00% |
|
Due After Five Years Through Ten Years [Member]
|
|
|
| Schedule Carrying Amount Of Mortgage Loans By Maturity |
|
|
| Mortgages loans Carrying Amount |
235,378 |
255,615 |
| Percentage of Total Carrying Amount |
40.00% |
42.00% |
|
Due After Ten Years [Member]
|
|
|
| Schedule Carrying Amount Of Mortgage Loans By Maturity |
|
|
| Mortgages loans Carrying Amount |
$ 159,093 |
$ 192,979 |
| Percentage of Total Carrying Amount |
27.00% |
33.00% |