Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows From Operating Activities
Net income (loss)	$ 80,594	$ (112,706)	$ 14,820
Adjustments to reconcile net income to net cash provided by operating activities
Net accretion of bond premium	13,597	10,444	9,372
Depreciation and amortization	6,570	6,656	11,191
Goodwill impairment	0	15,091	0
Stock-based compensation expense	3,444	4,992	6,152
Net investment (gains) losses	(47,383)	32,395	(53,779)
Net cash flows from trading investments	38,411	72,753	1,415
Deferred income tax benefit	5,632	(17,468)	10,148
Changes in:
Accrued investment income	1,219	567	592
Premiums receivable	521	40,340	(10,807)
Deferred policy acquisition costs	(4,352)	7,198	(1,496)
Reinsurance receivables	32,725	(88,171)	(11,032)
Prepaid reinsurance premiums	3,637	(3,415)	(2,487)
Income taxes receivable	33,816	(47,004)	(4,155)
Other assets	(43,865)	(7,291)	(11,972)
Losses, claims and loss settlement expenses	(63,866)	156,377	109,271
Unearned premiums	(25,112)	(40,317)	12,244
Accrued expenses and other liabilities	2,430	(6,129)	15,659
Deferred income taxes	(464)	7,521	(110)
Other, net	(7,637)	9,602	(1,274)
Cash from operating activities	(50,677)	154,141	78,932
Net cash provided by operating activities	29,917	41,435	93,752
Cash Flows From Investing Activities
Proceeds from sale of available-for-sale investments	180,514	50,744	41,760
Proceeds from call and maturity of available-for-sale investments	264,237	318,981	265,515
Proceeds from short-term and other investments	6,387	6,494	4,397
Purchase of available-for-sale investments	(395,787)	(438,035)	(213,437)
Purchase of mortgage loans	0	(5,564)	(16,933)
Purchase of short-term and other investments	(9,644)	(6,629)	(44,375)
Net purchases and sales of property and equipment	(13,976)	(18,862)	(32,426)
Net cash provided by (used in) investing activities	31,731	(92,871)	4,501
Cash Flows From Financing Activities
Borrowings of long-term debt	0	50,000	0
Payment of cash dividends	(15,064)	(28,526)	(32,662)
Repurchase of common stock	(2,007)	(2,741)	(11,700)
Issuance of common stock	(421)	(71)	2,377
Net cash provided by (used in) financing activities	(17,492)	18,662	(41,985)
Net Change in Cash and Cash Equivalents	44,156	(32,774)	56,268
Cash and Cash Equivalents at Beginning of Year	87,948	120,722	64,454
Cash and Cash Equivalents at End of Year	$ 132,104	$ 87,948	$ 120,722