Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash Flows From Operating Activities
Net income	$ 45,916	$ 22,894
Less net income (loss) from discontinued operations, net of taxes	(1,912)	4,201
Adjustments to reconcile net income to net cash provided by operating activities
Net accretion of bond premium	4,324	4,517
Depreciation and amortization	2,316	2,333
Stock-based compensation expense	2,718	2,254
Net realized investment (gains) losses	6,567	(3,330)
Net cash flows from equity and trading investments	21,839	(1,524)
Deferred income tax benefit	(8,836)	(2,833)
Changes in:
Accrued investment income	(1,875)	(643)
Premiums receivable	(51,729)	(55,664)
Deferred policy acquisition costs	(6,963)	(8,041)
Reinsurance receivables	4,384	(4,431)
Prepaid reinsurance premiums	(1,153)	(184)
Income taxes receivable	6,031	6,300
Other assets	(102)	(484)
Losses and loss settlement expenses	16,664	56,582
Unearned premiums	52,341	58,542
Accrued expenses and other liabilities	9,383	14,460
Income taxes payable	5,539	0
Deferred income taxes	(14,054)	(2,308)
Other, net	1,253	2,927
Cash from operating activities - continuing operations	48,647	68,473
Cash from operating activities - discontinued operations	4,023	24,968
Cash from operating activities - gain on sale of discontinued operations	(34,851)	0
Total adjustments	17,819	93,441
Net cash provided by operating activities	65,647	112,134
Cash Flows From Investing Activities
Proceeds from sale of available-for-sale investments	23,994
Proceeds from sale of available-for-sale investments		1,096
Proceeds from call and maturity of available-for-sale investments	60,651	76,183
Proceeds from short-term and other investments	5,816	3,185
Proceeds from the sale of discontinued operations	276,055	0
Purchase of available-for-sale investments	(383,633)	(112,472)
Purchase of mortgage loans	(9,896)	0
Purchase of short-term and other investments	(1,995)	(2,852)
Net purchases and sales of property and equipment	(13,012)	(3,861)
Cash from investing activities - continuing operations	(42,020)	(38,721)
Cash from investing activities - discontinued operations	14,343	13,956
Net cash used in investing activities	(27,677)	(24,765)
Cash Flows From Financing Activities
Payment of cash dividends	(14,716)	(13,380)
Repurchase of common stock	(5,404)	(21,184)
Issuance of common stock	5,794	2,207
Cash from financing activities - continuing operations	(14,326)	(32,357)
Cash from financing activities - discontinued operations	(11,547)	(35,444)
Net cash used in financing activities	(25,873)	(67,801)
Net Change in Cash and Cash Equivalents	12,097	19,568
Less: increase in cash and cash equivalents - discontinued operations	(6,819)	(3,480)
Net increase in cash and cash equivalents - continuing operations	5,278	16,088
Cash and Cash Equivalents at Beginning of Period - Continuing Operations	95,562	89,194
Cash and Cash Equivalents at End of Period - Continuing Operations	$ 100,840	$ 105,282