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Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011
Revenues |  |  |  |
Insurance premiums and contract charges earned | $ 166,335 | $ 166,345 | $ 331,839 | $ 333,031
Net investment income | 76,334 | 71,689 | 152,009 | 142,158
Net realized investment gains | 9,905 | 5,796 | 10,298 | 11,553
Other income | 1,652 | 1,521 | 4,703 | 3,082
Total revenues | 254,226 | 245,351 | 498,849 | 489,824
Benefits, losses and expenses |  |  |  |
Benefits, claims and settlement expenses | 130,984 | 163,809 | 238,862 | 274,410
Interest credited | 40,454 | 38,273 | 80,433 | 75,699
Policy acquisition expenses amortized | 22,302 | 20,560 | 40,132 | 39,727
Operating expenses | 38,577 | 35,986 | 76,427 | 72,975
Interest expense | 3,554 | 3,477 | 7,110 | 6,954
Total benefits, losses and expenses | 235,871 | 262,105 | 442,964 | 469,765
Income (loss) before income taxes | 18,355 | (16,754) | 55,885 | 20,059
Income tax expense (benefit) | 5,252 | (4,903) | 16,111 | 6,103
Net income (loss) | 13,103 | (11,851) | 39,774 | 13,956
Net income (loss) per share |  |  |  |
Basic | $ 0.33 | $ (0.30) | $ 1.00 | $ 0.35
Diluted | $ 0.32 | $ (0.30) | $ 0.96 | $ 0.34
Weighted average number of shares and equivalent shares (in thousands) |  |  |  |
Basic | 39,544 | 39,893 | 39,669 | 39,822
Diluted | 41,304 | 39,893 | 41,414 | 41,446
Net realized investment gains |  |  |  |
Total other-than-temporary impairment losses on securities | 0 |  | 0 |
Portion of losses recognized in other comprehensive income | 0 |  | 0 |
Net other-than-temporary impairment losses on securities recognized in earnings | 0 |  | 0 |
Net realized gains | 9,905 | 5,796 | 10,298 | 11,553
Total | $ 9,905 | $ 5,796 | $ 10,298 | $ 11,553

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- Definition The sum of insurance premiums earned, premiums earned on the income statement for all insurance and reinsurance contracts after subtracting any amounts ceded to another insurer and adding premiums assumed from other insurers, and contract charges earned on investment and universal life-type contracts. + References No definition available. + Details
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