CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities
Net income	$ 133,315	$ 184,443	$ 18,343
Net investment (gains) losses	2,289	(153,340)	12,543
Amortization of premiums and accretion of discounts on fixed maturity securities, net	6,651	3,806	(10,095)
Depreciation and intangible asset amortization	23,417	15,629	7,357
Share-based compensation expense	6,660	7,338	8,346
Other expense - goodwill and intangible asset impairments	10,000	28,025	0
Changes in:
Accrued investment income	(1,553)	46,858	4,449
Insurance liabilities	69,889	(96,802)	203,370
Premium receivables	7,450	(5,031)	(10,026)
Deferred policy acquisition costs	(2,488)	(1,274)	(783)
Reinsurance recoverables	1,615	22,006	(21,317)
Income tax liabilities	8,346	28,726	(3,383)
Other operating assets and liabilities	(4,539)	53,406	(2,048)
Other	(1,258)	(6,217)	(5,868)
Net cash provided by operating activities	259,794	127,573	200,888
Fixed maturity securities
Purchases	(1,439,648)	(1,058,747)	(1,428,889)
Sales	472,913	805,887	625,527
Maturities, paydowns, calls and redemptions	640,270	799,526	737,535
Equity securities
Purchases	(37,353)	(15,583)	(13,430)
Sales and repayments	12,717	33,502	25,498
Limited partnership interests
Purchases	(98,594)	(129,389)	(93,545)
Sales	30,877	91,587	16,997
Change in short-term and other investments, net	12,061	(49,325)	(56,192)
Acquisition of businesses, net of cash acquired	0	(421,516)	0
Net cash (used in) provided by investing activities	(406,757)	55,942	(186,499)
Cash flows from financing activities
Dividends paid to shareholders	(49,620)	(47,333)	(46,689)
Principal borrowings on Bank Credit Facility	0	135,000	0
FHLB borrowings	4,000	0	0
Acquisition of treasury stock	(2,145)	0	(5,088)
Proceeds from exercise of stock options	2,402	1,730	3,627
Withholding tax payments on RSUs tendered	(2,299)	(3,680)	(3,165)
Annuity contracts: variable, fixed and FHLB funding agreements
Deposits	578,940	637,538	489,097
Benefits, withdrawals and net transfers to Separate Account (variable annuity) assets	(378,603)	(419,001)	(473,003)
Principal repayment on FHLB funding agreements	0	(305,005)	0
Life policy accounts
Deposits	8,999	9,391	8,149
Withdrawals and surrenders	(3,910)	(3,558)	(4,910)
Change in deposit asset on reinsurance	(21,230)	(150,434)	0
Change in book overdrafts	7,244	(24,561)	21,872
Net cash provided by (used in) financing activities	143,778	(169,913)	(10,110)
Net (decrease) increase in cash	(3,185)	13,602	4,279
Cash at beginning of year	25,508	11,906	7,627
Cash at end of year	$ 22,323	$ 25,508	$ 11,906