XML 48 R35.htm IDEA: XBRL DOCUMENT v2.4.0.8
Investments (Gross Unrealized Losses and Fair Value by Investment Category) (Details) (Fixed Maturity Securities [Member], USD $)
In Thousands, unless otherwise specified
 6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value $ 639,280 $ 11,635,998
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses (11,259) (741,947)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 5,021,448 1,097,643
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (171,476) (104,035)
Available for sale securities, continuous unrealized loss position, total, fair value 5,660,728 12,733,641
Available for sale securities, continuous unrealized loss position, total, unrealized losses (182,735) (845,982)
United States Government Full Faith and Credit [Member]
    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value 0 32,969
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses 0 (2,294)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 33,569 0
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (417) 0
Available for sale securities, continuous unrealized loss position, total, fair value 33,569 32,969
Available for sale securities, continuous unrealized loss position, total, unrealized losses (417) (2,294)
United States Government Sponsored Agencies [Member]
    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value 1,441 692,320
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses (1) (88,671)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 601,569 467,309
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (35,626) (32,691)
Available for sale securities, continuous unrealized loss position, total, fair value 603,010 1,159,629
Available for sale securities, continuous unrealized loss position, total, unrealized losses (35,627) (121,362)
United States Municipalities, States and Territories [Member]
    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value 32,649 614,056
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses (147) (39,074)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 185,877 0
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (6,440) 0
Available for sale securities, continuous unrealized loss position, total, fair value 218,526 614,056
Available for sale securities, continuous unrealized loss position, total, unrealized losses (6,587) (39,074)
Foreign Government Obligations [Member]
    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value 4,943 26,298
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses (32) (3,462)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 12,984 0
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (1,460) 0
Available for sale securities, continuous unrealized loss position, total, fair value 17,927 26,298
Available for sale securities, continuous unrealized loss position, total, unrealized losses (1,492) (3,462)
Corporate Securities [Member] | Finance, Insurance and Real Estate [Member]
    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value 46,685 1,690,846
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses (1,022) (92,426)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 711,819 153,037
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (25,301) (12,873)
Available for sale securities, continuous unrealized loss position, total, fair value 758,504 1,843,883
Available for sale securities, continuous unrealized loss position, total, unrealized losses (26,323) (105,299)
Corporate Securities [Member] | Manufacturing, Construction and Mining [Member]
    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value 100,820 3,370,775
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses (2,063) (191,245)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 1,404,064 93,608
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (33,103) (16,088)
Available for sale securities, continuous unrealized loss position, total, fair value 1,504,884 3,464,383
Available for sale securities, continuous unrealized loss position, total, unrealized losses (35,166) (207,333)
Corporate Securities [Member] | Utilities and Related Sectors [Member]
    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value 103,620 1,829,868
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses (1,397) (102,758)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 602,031 83,550
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (21,280) (11,547)
Available for sale securities, continuous unrealized loss position, total, fair value 705,651 1,913,418
Available for sale securities, continuous unrealized loss position, total, unrealized losses (22,677) (114,305)
Corporate Securities [Member] | Wholesale/Retail Trade [Member]
    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value 32,148 428,407
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses (633) (25,189)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 102,446 17,687
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (4,671) (1,992)
Available for sale securities, continuous unrealized loss position, total, fair value 134,594 446,094
Available for sale securities, continuous unrealized loss position, total, unrealized losses (5,304) (27,181)
Corporate Securities [Member] | Services, Media and Other [Member]
    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value 118,443 834,699
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses (1,623) (51,508)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 338,878 107,242
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (9,721) (10,403)
Available for sale securities, continuous unrealized loss position, total, fair value 457,321 941,941
Available for sale securities, continuous unrealized loss position, total, unrealized losses (11,344) (61,911)
Corporate Securities [Member] | Insurance [Member]
    
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]    
Held for investment securities, continuous unrealized loss position, less than 12 months, fair value 0 0
Held for investment securities, continuous unrealized loss position, less than 12 months, unrealized losses 0 0
Held for investment securities, continuous unrealized loss position, 12 months or longer, fair value 66,571 60,840
Held for investment securities, continuous unrealized loss position, 12 months or longer, unrealized losses (9,771) (15,415)
Held for investment securities, continuous unrealized loss position, total, fair value 66,571 60,840
Held for investment securities, continuous unrealized loss position, total, unrealized losses (9,771) (15,415)
Residential Mortgage Backed Securities [Member]
    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value 89,639 309,599
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses (2,094) (41,080)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 261,664 31,739
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (11,787) (2,103)
Available for sale securities, continuous unrealized loss position, total, fair value 351,303 341,338
Available for sale securities, continuous unrealized loss position, total, unrealized losses (13,881) (43,183)
Commercial Mortgage Backed Securities [Member]
    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value 47,869 1,450,143
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses (325) (83,814)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 497,112 51,099
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (9,872) (6,001)
Available for sale securities, continuous unrealized loss position, total, fair value 544,981 1,501,242
Available for sale securities, continuous unrealized loss position, total, unrealized losses (10,197) (89,815)
Other Asset Backed Securities [Member]
    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Available for sale securities, continuous unrealized loss position, less than 12 months, fair value 61,023 356,018
Available for sale securities, continuous unrealized loss position, less than 12 months, unrealized losses (1,922) (20,426)
Available for sale securities, continuous unrealized loss position, 12 months or longer, fair value 269,435 92,372
Available for sale securities, continuous unrealized loss position, 12 months or longer, unrealized losses (11,798) (10,337)
Available for sale securities, continuous unrealized loss position, total, fair value 330,458 448,390
Available for sale securities, continuous unrealized loss position, total, unrealized losses $ (13,720) $ (30,763)