XML 64 R53.htm IDEA: XBRL DOCUMENT v3.4.0.3
Fair Value (Activity Under Level 3, Fair Value Measurements Using Significant Unobservable Inputs By Asset Type) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning balance $ 5,526 $ 15,763
Total gains or (losses) (realized/unrealized) Included in earnings (989) 59
Total gains or (losses) (realized/unrealized) Included in other comprehensive income (loss) (6) (1,097)
Purchases, issuances and settlements 11,771 1,940
Transfers in and/or (out) of Level 3   (7,887)
Ending balance 16,302 8,778
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at the reporting date (997)  
Corporate Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning balance 3,933  
Total gains or (losses) (realized/unrealized) Included in earnings 8 2
Total gains or (losses) (realized/unrealized) Included in other comprehensive income (loss) (6) 1
Purchases, issuances and settlements 11,771 1,940
Transfers in and/or (out) of Level 3   710
Ending balance 15,706 2,653
Commercial Mortgage-Backed Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning balance   8,597
Transfers in and/or (out) of Level 3   (8,597)
Foreign Corporate Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning balance 1,593 7,166
Total gains or (losses) (realized/unrealized) Included in earnings (997) 57
Total gains or (losses) (realized/unrealized) Included in other comprehensive income (loss)   (1,098)
Ending balance 596 $ 6,125
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at the reporting date $ (997)