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Federal Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2011
Federal Income Taxes [Abstract] |
Reconciliation of Federal Income Tax on Income from Continuing Operations Before Federal Income Tax at the Corporate Rate to the Effective Tax Rate |
($ in thousands) |  | 2011 |  | 2010 |  | 2009
Tax at statutory rate of 35% | $ | 2,823 |  | 28,685 |  | 13,715
Tax-advantaged interest |  | (14,381) |  | (15,992) |  | (18,205)
Dividends received deduction |  | (870) |  | (357) |  | (513)
Nonqualified deferred compensation |  | 7 |  | (273) |  | (721)
Other |  | (29) |  | 572 |  | 252
Federal income tax (benefit) expense from continuing operations | $ | (12,450) |  | 12,635 |  | (5,472)
Deferred Tax Assets and Liabilities |
($ in thousands) |  | 2011 |  | 2010
Deferred tax assets: |  |  |  |
Net loss reserve discounting | $ | 99,768 |  | 98,014
Net unearned premiums |  | 53,191 |  | 49,955
Employee benefits |  | 33,100 |  | 27,079
Long-term incentive compensation plans |  | 8,471 |  | 9,209
Temporary investment write-downs |  | 13,251 |  | 9,340
Net operating loss |  | 4,791 |  | -
Tax credits |  | 10,938 |  | 5,138
Other |  | 7,638 |  | 6,109
Total deferred tax assets |  | 231,148 |  | 204,844
Deferred tax liabilities: |  |  |  |
Deferred policy acquisition costs |  | 74,137 |  | 72,840
Unrealized gains on investment securities |  | 53,996 |  | 30,522
Other investment-related items, net |  | 4,034 |  | 2,080
Accelerated depreciation and amortization |  | 6,295 |  | 6,168
Total deferred tax liabilities |  | 138,462 |  | 111,610
Net deferred federal income tax asset | $ | 92,686 |  | 93,234

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 740 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 740 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 12 -Section 50 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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