Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash Flows From Operating Activities
Net income	$ 14,820	$ 27,650	$ 51,023
Less net income (loss) from discontinued operations, net of taxes	0	(1,912)	6,153
Adjustments to reconcile net income to net cash provided by operating activities
Net accretion of bond premium	9,372	8,788	8,872
Depreciation and amortization	11,191	5,174	4,574
Stock-based compensation expense	6,152	5,249	4,808
Net realized investment (gains) losses	(53,779)	20,179	(4,055)
Net cash flows from trading investments	1,415	22,514	(1,909)
Deferred income tax benefit	10,148	(16,220)	(5,921)
Changes in:
Accrued investment income	592	(1,933)	(224)
Premiums receivable	(10,807)	(18,312)	(22,311)
Deferred policy acquisition costs	(1,496)	(4,694)	5,260
Reinsurance receivables	(11,032)	1,857	(487)
Prepaid reinsurance premiums	(2,487)	(3,314)	33
Income taxes receivable	(4,155)	(9,004)	8,254
Other assets	(11,972)	(1,524)	(2,465)
Losses, claims and loss settlement expenses	109,271	88,300	100,287
Unearned premiums	12,244	27,527	21,589
Accrued expenses and other liabilities	15,659	(12,319)	(423)
Deferred income taxes	(110)	(10,746)	(25,883)
Other, net	(1,274)	9,847	3,378
Cash from operating activities - continuing operations	78,932	111,369	93,377
Cash from operating activities - discontinued operations	0	4,024	31,847
Cash from operating activities - gain on sale of discontinued operations	0	(34,851)	0
Total adjustments	78,932	80,542	125,224
Net cash provided by operating activities	93,752	110,104	170,094
Cash Flows From Investing Activities
Proceeds from sale of available-for-sale investments	41,760	132,250
Proceeds from sale of available-for-sale investments			7,404
Proceeds from call and maturity of held-to-maturity investments		0	150
Proceeds from call and maturity of available-for-sale investments	265,515	122,250	191,521
Proceeds from short-term and other investments	4,397	9,303	6,032
Proceeds from sale of discontinued operations	0	276,055	0
Purchase of held-to-maturity investments	0	0	(150)
Purchase of available-for-sale investments	(213,437)	(507,380)
Purchase of available-for-sale investments			(260,957)
Purchase of mortgage loans	(16,933)	(25,853)	0
Purchase of short-term and other investments	(44,375)	(7,119)	(6,428)
Net purchases and sales of property and equipment	(32,426)	(33,053)	(17,158)
Cash from investing activities - continuing operations	4,501	(33,547)	(79,586)
Cash from investing activities - discontinued operations	0	14,343	17,601
Net cash provided by (used in) investing activities	4,501	(19,204)	(61,985)
Cash Flows From Financing Activities
Payment of cash dividends	(32,662)	(105,408)	(27,337)
Repurchase of common stock	(11,700)	(5,404)	(29,784)
Issuance of common stock	2,377	7,171	4,828
Cash from financing activities - continued operations	(41,985)	(103,641)	(52,293)
Cash from financing activities - discontinued operations		(11,547)	(55,256)
Net cash used in financing activities	(41,985)	(115,188)	(107,549)
Net Change in Cash and Cash Equivalents	56,268	(24,288)	560
Less: decrease (increase) in cash and cash equivalents - discontinued operations	0	(6,820)	5,808
Net increase (decrease) in cash and cash equivalents - continuing operations	56,268	(31,108)	6,368
Cash and Cash Equivalents at Beginning of Year - Continuing Operations	64,454	95,562	89,194
Cash and Cash Equivalents at End of Year - Continuing Operations	$ 120,722	$ 64,454	$ 95,562