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