Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash Flows From Operating Activities
Net income	$ 19,184	$ 5,810
Adjustments to reconcile net income to net cash provided by operating activities
Net accretion of bond premium	3,520	1,705
Depreciation and amortization	2,285	706
Stock-based compensation expense	396	489
Net realized investment gains	(2,794)	(2,653)
Net cash flows from trading investments	(1,343)	(205)
Deferred income tax expense	5,011	117
Changes in:
Accrued investment income	(344)	400
Premiums receivable	(14,560)	(8,447)
Deferred policy acquisition costs	1,526	(1,719)
Reinsurance receivables	(23,199)	830
Prepaid reinsurance premiums	2,650	(135)
Income taxes receivable	3,926	1,018
Other assets	2,691	6,355
Future policy benefits and losses, claims and loss settlement expenses	20,596	7,146
Unearned premiums	15,228	9,090
Accrued expenses and other liabilities	5,721	11,507
Deferred income taxes	(3,409)	2
Other, net	(1,200)	(747)
Total adjustments	16,701	25,459
Net cash provided by operating activities	35,885	31,269
Cash Flows From Investing Activities
Proceeds from sale of available-for-sale investments	3,000	4,847
Proceeds from call and maturity of held-to-maturity investments	75	486
Proceeds from call and maturity of available-for-sale investments	149,285	197,447
Proceeds from short-term and other investments	2,590	1,548
Purchase of available-for-sale investments	(252,345)	(154,923)
Purchase of short-term and other investments	(2,950)	(454)
Net purchases and sales of property and equipment	(893)	(100)
Acquisition of property and casualty company, net of cash acquired	0	(172,620)
Net cash used in investing activities	(101,238)	(123,769)
Cash Flows From Financing Activities
Deposits to investment and universal life contracts	40,390	31,242
Withdrawals from investment and universal life contracts	(33,743)	(28,984)
Borrowings of short-term debt	0	79,900
Repayment of Trust Preferred Securities	(8,047)	0
Payment of cash dividends	(3,826)	(3,929)
Issuance of common stock	43	0
Tax impact from issuance of common stock	9	(14)
Net cash provided by (used in) financing activities	(5,174)	78,215
Net Change in Cash and Cash Equivalents	(70,527)	(14,285)
Cash and Cash Equivalents at Beginning of Period	144,527	180,057
Cash and Cash Equivalents at End of Period	$ 74,000	$ 165,772