XML 43 R28.htm IDEA: XBRL DOCUMENT v3.5.0.2
Fair Values of Financial Instruments (Reconciliation of Beginning and Ending Balances of Level 3 Liabilities) (Details) - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance $ 6,254,466 $ 5,865,171 $ 5,983,622 $ 5,574,653
Premiums less benefits 44,632 453,317 135,761 813,712
Change in fair value, net 199,917 (334,481) 379,632 (404,358)
Ending balance $ 6,499,015 $ 5,984,007 $ 6,499,015 $ 5,984,007