XML 39 R33.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Derivative Financial Instruments (Schedule Of Derivative Gains And Losses In The Statements Of Operations) (Details) (USD $)
In Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Interest Rate Contract [Member] | Interest Expense [Member] | Fair Value Hedges [Member]
       
Gain (Loss) Recognized in Income $ (1,815) $ (1,641) $ (3,583) $ (3,482)
Interest Rate Contract [Member] | Other Revenue [Member] | Not Designated As Hedging Instruments [Member]
       
Gain (Loss) Recognized in Income 432 (189) 863 (853)
Interest Rate Contract [Member] | Other Comprehensive Income [Member] | Cash Flow Hedges [Member]
       
Gain (Loss) Recognized in Other Comprehensive Income 26 (156) 169 (309)
Equity Contracts [Member] | Net Realized Investment Gains [Member] | Not Designated As Hedging Instruments [Member]
       
Gain (Loss) Recognized in Income 2,262 2,721 4,734 3,295
Not Designated As Hedging Instruments [Member]
       
Gain (Loss) Recognized in Income $ 2,694 $ 2,532 $ 5,597 $ 2,442