|
Investments - Schedule of Amount of Mortgage Loans (Details) (USD $) In Thousands, unless otherwise specified
|
Sep. 30, 2014
|
Dec. 31, 2013
|
| Mortgage Loans on Real Estate [Line Items] |
|
|
| Mortgage loans, carrying value |
$ 572,811 |
$ 632,507 |
| Percentage of total carrying amount |
100.00% |
100.00% |
|
Prior to 2005
|
|
|
| Mortgage Loans on Real Estate [Line Items] |
|
|
| Mortgage loans, carrying value |
31,473 |
41,324 |
| Percentage of total carrying amount |
5.00% |
6.00% |
|
2005
|
|
|
| Mortgage Loans on Real Estate [Line Items] |
|
|
| Mortgage loans, carrying value |
25,035 |
28,111 |
| Percentage of total carrying amount |
4.00% |
4.00% |
|
2006
|
|
|
| Mortgage Loans on Real Estate [Line Items] |
|
|
| Mortgage loans, carrying value |
19,629 |
24,744 |
| Percentage of total carrying amount |
3.00% |
4.00% |
|
2007
|
|
|
| Mortgage Loans on Real Estate [Line Items] |
|
|
| Mortgage loans, carrying value |
20,471 |
27,009 |
| Percentage of total carrying amount |
4.00% |
4.00% |
|
2008
|
|
|
| Mortgage Loans on Real Estate [Line Items] |
|
|
| Mortgage loans, carrying value |
23,422 |
28,051 |
| Percentage of total carrying amount |
4.00% |
4.00% |
|
2009
|
|
|
| Mortgage Loans on Real Estate [Line Items] |
|
|
| Mortgage loans, carrying value |
22,808 |
37,723 |
| Percentage of total carrying amount |
4.00% |
6.00% |
|
2010
|
|
|
| Mortgage Loans on Real Estate [Line Items] |
|
|
| Mortgage loans, carrying value |
56,579 |
61,236 |
| Percentage of total carrying amount |
10.00% |
10.00% |
|
2011
|
|
|
| Mortgage Loans on Real Estate [Line Items] |
|
|
| Mortgage loans, carrying value |
94,203 |
118,459 |
| Percentage of total carrying amount |
16.00% |
19.00% |
|
2012
|
|
|
| Mortgage Loans on Real Estate [Line Items] |
|
|
| Mortgage loans, carrying value |
165,565 |
184,749 |
| Percentage of total carrying amount |
30.00% |
29.00% |
|
2013
|
|
|
| Mortgage Loans on Real Estate [Line Items] |
|
|
| Mortgage loans, carrying value |
78,744 |
81,101 |
| Percentage of total carrying amount |
14.00% |
14.00% |
|
2014
|
|
|
| Mortgage Loans on Real Estate [Line Items] |
|
|
| Mortgage loans, carrying value |
$ 34,882 |
$ 0 |
| Percentage of total carrying amount |
6.00% |
0.00% |