|
Investments (Details 3) (USD $)
In Thousands, unless otherwise specified
|
Jun. 30, 2012
|
Dec. 31, 2011
|
| Distribution of Maturities for Fixed Maturity Securities Available for Sale with Unrealized Losses |
|
|
| Due in one year or less, Fair value |
$ 101,304 |
|
| Due after one year through five years, Fair Value |
665,859 |
|
| Due after five years through ten years, Fair Value |
1,151,964 |
|
| Due after ten years, Fair Value |
532,021 |
|
| Securities with variable principal payments, Fair Value |
349,260 |
|
| Redeemable preferred stocks, Fair Value |
15,842 |
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total |
229,236 |
304,615 |
| Total |
22,139 |
31,340 |
|
Fixed Maturity Securities Available for Sale With Unrealized Losses [Member]
|
|
|
| Distribution of Maturities for Fixed Maturity Securities Available for Sale with Unrealized Losses |
|
|
| Due in one year or less, Fair value |
919 |
2,953 |
| Due after one year through five years, Fair Value |
32,871 |
42,416 |
| Due after five years through ten years, Fair Value |
60,008 |
64,772 |
| Due after ten years, Fair Value |
60,015 |
82,816 |
| Total fixed maturity Fair Value |
153,813 |
192,957 |
| Securities with variable principal payments, Fair Value |
70,836 |
104,540 |
| Redeemable preferred stocks, Fair Value |
3,460 |
5,995 |
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total |
228,109 |
303,492 |
| Due in one year or less, Gross Unrealized Losses |
8 |
48 |
| Due after one year through five years, Gross Unrealized Losses |
491 |
2,120 |
| Due after five years through ten years, Gross Unrealized Losses |
2,636 |
2,616 |
| Due after ten years, Gross Unrealized Losses |
9,958 |
13,061 |
| Total, Gross Unrealized Losses |
13,093 |
17,845 |
| Securities with variable principal payments, Gross Unrealized Losses |
8,694 |
12,620 |
| Redeemable preferred stocks, Gross Unrealized Losses |
222 |
740 |
| Total |
$ 22,009 |
$ 31,205 |