Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows From Operating Activities
Net income (loss)	$ 42,630	$ (16,880)
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Net accretion of bond premium	10,909	7,710
Depreciation and amortization	5,989	2,559
Stock-based compensation expense	1,318	1,384
Net realized investment gains	(4,658)	(4,996)
Net cash flows from trading investments	(337)	(1,604)
Deferred income tax expense (benefit)	7,143	(11,901)
Changes in:
Accrued investment income	990	899
Premiums receivable	(31,244)	(25,706)
Deferred policy acquisition costs	(4,345)	(2,239)
Reinsurance receivables	(19,051)	(7,527)
Prepaid reinsurance premiums	3,029	574
Income taxes receivable	10,959	(6,471)
Other assets	4,575	(1,162)
Future policy benefits and losses, claims and loss settlement expenses	50,429	68,139
Unearned premiums	35,347	27,701
Accrued expenses and other liabilities	17,856	21,795
Deferred income taxes	(2,820)	158
Other, net	(3,373)	2,153
Total adjustments	82,716	71,466
Net cash provided by operating activities	125,346	54,586
Cash Flows From Investing Activities
Proceeds from sale of available-for-sale investments	12,003	21,871
Proceeds from call and maturity of held-to-maturity investments	2,316	1,050
Proceeds from call and maturity of available-for-sale investments	433,619	438,472
Proceeds from short term and other investments	3,791	4,583
Purchase of available-for-sale investments	(557,257)	(432,892)
Purchase of short-term and other investments	(9,000)	(2,907)
Net purchases and sales of property and equipment	(1,391)	(6,766)
Acquisition of property and casualty company, net of cash acquired	0	(171,394)
Net cash used in investing activities	(115,919)	(147,983)
Cash Flows From Financing Activities
Deposits to investment and universal life contracts	109,900	128,257
Withdrawals from investment and universal life contracts	(106,978)	(86,507)
Borrowings of short-term debt	0	79,900
Repayment of short-term debt	(45,000)	(29,900)
Repayment of trust preferred securities	(15,626)	0
Payment of cash dividends	(11,455)	(11,682)
Repurchase of common stock	(2,900)	(12,396)
Issuance of common stock	760	139
Tax impact from issuance of common stock	(89)	6
Net cash (used in) provided by financing activities	(71,388)	67,817
Net Change in Cash and Cash Equivalents	(61,961)	(25,580)
Cash and Cash Equivalents at Beginning of Period	144,527	180,057
Cash and Cash Equivalents at End of Period	$ 82,566	$ 154,477