Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash Flows From Operating Activities
Net income	$ 23,679us-gaap_NetIncomeLoss	$ 13,331us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities
Net accretion of bond premium	3,702	3,701
Depreciation and amortization	1,618	2,295
Stock-based compensation expense	553us-gaap_ShareBasedCompensation	437us-gaap_ShareBasedCompensation
Net realized investment gains	(887)us-gaap_RealizedInvestmentGainsLosses	(2,194)us-gaap_RealizedInvestmentGainsLosses
Net cash flows from trading investments	510	(5,673)
Deferred income tax benefit	(1,519)us-gaap_DeferredIncomeTaxExpenseBenefit	(1,559)us-gaap_DeferredIncomeTaxExpenseBenefit
Changes in:
Accrued investment income	(1,020)	(763)
Premiums receivable	(19,926)	(17,789)
Deferred policy acquisition costs	(6,333)	(2,124)
Reinsurance receivables	3,427	2,170
Prepaid reinsurance premiums	(295)	(470)
Income taxes receivable	0	1,786
Other assets	(697)	2,324
Future policy benefits and losses, claims and loss settlement expenses	8,726	19,648
Unearned premiums	19,535	20,318
Accrued expenses and other liabilities	(20,919)	(17,785)
Income taxes payable	3,790	1,948
Deferred income taxes	(433)	(72)
Other, net	342	(1,038)
Total adjustments	(9,826)	5,160
Net cash provided by operating activities	13,853	18,491
Cash Flows From Investing Activities
Proceeds from sale of available-for-sale investments	5,017	0
Proceeds from call and maturity of held-to-maturity investments	31	11
Proceeds from call and maturity of available-for-sale investments	172,825	103,480
Proceeds from short-term and other investments	3,450	764
Purchase of available-for-sale investments	(133,920)	(131,989)
Purchase of short-term and other investments	(1,560)	(1,152)
Net purchases and sales of property and equipment	(1,881)	(2,860)
Net cash provided by (used in) investing activities	43,962	(31,746)
Cash Flows From Financing Activities
Deposits to investment and universal life contracts	36,099	49,281
Withdrawals from investment and universal life contracts	(67,248)	(55,882)
Payment of cash dividends	(4,997)us-gaap_PaymentsOfDividends	(4,567)us-gaap_PaymentsOfDividends
Repurchase of common stock	(1,083)	0
Issuance of common stock	353	823
Tax impact from issuance of common stock	(193)	70
Net cash used in financing activities	(37,069)	(10,275)
Net Change in Cash and Cash Equivalents	20,746	(23,530)
Cash and Cash Equivalents at Beginning of Period	90,574	92,193
Cash and Cash Equivalents at End of Period	$ 111,320	$ 68,663

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Increase (Decrease) in Deferred Policy Acquisition Cost and Value of Business Acquired

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Payments to Acquire Short-term and Other Investments.

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The sum of adjustments which are added to or deducted from net income or loss, including the portion attributable to noncontrolling interest, to reflect cash provided by or used in operating activities, in accordance with the indirect cash flow method.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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The increase (decrease) during the reporting period in investment income that has been earned but not yet received in cash.

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The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.

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The change in the future policy benefit reserve balance on the balance sheet.

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The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid.

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The increase (decrease) during the reporting period in other assets used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets, other noncurrent assets, or a combination of other current and noncurrent assets.

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The increase (decrease) during the reporting period in other liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current liabilities, other noncurrent liabilities, or a combination of other current and noncurrent liabilities.

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The change in the premium receivable balance on the balance sheet.

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The change in prepaid reinsurance premiums recorded on the balance sheet, which is needed to adjust net income to arrive at net cash flows provided by or used in operations.

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The increase (decrease) during the reporting period in the amount of benefits the ceding insurer expects to recover on insurance policies ceded to other insurance entities as of the balance sheet date for all guaranteed benefit types.

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Amount of increase (decrease) unearned premiums written. Excludes portion of unearned premiums amortized into income.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The cash outflow to reacquire common stock during the period.

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The cash inflow from the additional capital contribution to the entity.

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Amount of cash inflow (outflow) from sales and purchases of trading securities.

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The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.

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The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

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The cash outflow for an insurance contract under which the policy holder make a lump sum payment or a series of payments in exchange for periodic payments to the policyholder beginning immediately or at some future date.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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