XML 62 R51.htm IDEA: XBRL DOCUMENT v3.5.0.2
Investments (Mortgage Loans by Property Type) (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Mortgage Loans on Real Estate [Line Items]    
Recorded investment $ 3,383,538 $ 3,136,764
Percentage of total 100.00% 100.00%
Apartment    
Mortgage Loans on Real Estate [Line Items]    
Recorded investment $ 397,719 $ 420,014
Percentage of total 11.80% 13.40%
Retail    
Mortgage Loans on Real Estate [Line Items]    
Recorded investment $ 1,033,538 $ 1,026,018
Percentage of total 30.50% 32.70%
Office building    
Mortgage Loans on Real Estate [Line Items]    
Recorded investment $ 1,057,245 $ 980,858
Percentage of total 31.30% 31.30%
Industrial    
Mortgage Loans on Real Estate [Line Items]    
Recorded investment $ 708,764 $ 527,485
Percentage of total 20.90% 16.80%
Other commercial    
Mortgage Loans on Real Estate [Line Items]    
Recorded investment $ 186,272 $ 182,389
Percentage of total 5.50% 5.80%