Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows From Operating Activities
Net income (loss)	$ (66,574)	$ 40,325
Adjustments to reconcile net income to net cash provided by operating activities
Net accretion of bond premium	5,501	5,039
Depreciation and amortization	3,318	2,618
Stock-based compensation expense	2,927	4,045
Net realized investment (gains) losses	77,628	(40,304)
Net cash flows from equity and trading investments	17,148	639
Deferred income tax benefit	(19,229)	7,716
Changes in:
Accrued investment income	697	574
Premiums receivable	(19,176)	(56,062)
Deferred policy acquisition costs	(3,274)	(8,767)
Reinsurance receivables	(55,512)	8,558
Prepaid reinsurance premiums	(4,956)	(1,049)
Income taxes receivable	(19,184)	5,913
Other assets	(9,162)	(18,706)
Losses and loss settlement expenses	55,935	29,183
Unearned premiums	25,639	47,062
Accrued expenses and other liabilities	(2,098)	10,562
Deferred income taxes	4,184	0
Other, net	10,420	(1,070)
Cash from operating activities	70,806	(4,049)
Net cash provided by operating activities	4,232	36,276
Cash Flows From Investing Activities
Proceeds from sale of available-for-sale investments	16,907	36,490
Proceeds from call and maturity of available-for-sale investments	159,709	111,824
Proceeds from sale of other investments	2,750	2,315
Purchase of investments Mortgage Loans	(5,323)	(10,723)
Purchase of investments available-for-sale	(117,299)	(44,400)
Purchase of other investments	(3,577)	(11,986)
Purchase of property and equipment	(12,040)	(20,920)
Net cash provided by investing activities	41,127	62,600
Cash Flows From Financing Activities
Issuance of common stock	(562)	1,645
Repurchase of common stock	(2,741)	(69)
Payment of cash dividends	(16,516)	(16,122)
Net cash used in financing activities	(19,819)	(14,546)
Net Change in Cash and Cash Equivalents	25,540	84,330
Cash and Cash Equivalents at Beginning of Period	120,722	64,454
Cash and Cash Equivalents at End of Period	$ 146,262	$ 148,784