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Federal Income Taxes	6 Months Ended
Federal Income Taxes	Jun. 30, 2015
Federal Income Taxes [Abstract]
Federal Income Taxes	6. Federal Income Taxes The effective tax rate is the ratio of tax expense over pre-tax income (loss). The effective tax rate was 23% and 21% for the three and six months ended June 30, 2015, respectively. The effective tax rate was 26% and 25% for the three and six months ended June 30, 2014, respectively. The effective tax rate on pre-tax income from continuing operations was lower than the prevailing corporate federal income tax rate. Differences in the effective rates and the U.S. statutory rate of 35% were the result of certain tax preferred investment income, separate account dividends-received deductions, foreign tax credits and other tax preference items.