Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows From Operating Activities
Net income	$ 13,331	$ 22,393
Adjustments to reconcile net income to net cash provided by operating activities
Net accretion of bond premium	3,701	3,981
Depreciation and amortization	2,295	1,785
Stock-based compensation expense	437	411
Net realized investment gains	(2,194)	(1,909)
Net cash flows from trading investments	(5,673)	46
Deferred income tax expense (benefit)	(1,559)	460
Changes in:
Accrued investment income	(763)	296
Premiums receivable	(17,789)	(19,631)
Deferred policy acquisition costs	(2,124)	(2,917)
Reinsurance receivables	2,170	(5,741)
Prepaid reinsurance premiums	(470)	(255)
Income taxes receivable	1,786	14,150
Other assets	2,324	1,013
Future policy benefits and losses, claims and loss settlement expenses	19,648	6,364
Unearned premiums	20,318	14,670
Accrued expenses and other liabilities	(17,785)	(5,068)
Income taxes payable	1,948	0
Deferred income taxes	(72)	1,665
Other, net	(1,038)	31
Total adjustments	5,160	9,351
Net cash provided by operating activities	18,491	31,744
Cash Flows From Investing Activities
Proceeds from sale of available-for-sale investments	0	2,810
Proceeds from call and maturity of held-to-maturity investments	11	19
Proceeds from call and maturity of available-for-sale investments	103,480	127,514
Proceeds from short-term and other investments	764	407
Purchase of available-for-sale investments	(131,989)	(142,615)
Purchase of short-term and other investments	(1,152)	(900)
Net purchases and sales of property and equipment	(2,860)	(386)
Net cash used in investing activities	(31,746)	(13,151)
Policyholders’ account balances
Deposits to investment and universal life contracts	49,281	25,369
Withdrawals from investment and universal life contracts	(55,882)	(46,219)
Payment of cash dividends	(4,567)	(3,786)
Issuance of common stock	823	603
Tax impact from issuance of common stock	70	(78)
Net cash used in financing activities	(10,275)	(24,111)
Net Change in Cash and Cash Equivalents	(23,530)	(5,518)
Cash and Cash Equivalents at Beginning of Period	92,193	107,466
Cash and Cash Equivalents at End of Period	$ 68,663	$ 101,948