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	$ 184,443	$ 18,343	$ 169,459
Net investment (gains) losses	(153,340)	12,543	3,406
Amortization of premiums and accretion of discounts on fixed maturity securities, net	3,806	(10,095)	(13,385)
Depreciation and intangible asset amortization	15,629	7,357	6,615
Share-based compensation expense	7,338	8,346	8,592
Other expense - goodwill impairment	28,025	0	0
Changes in:
Accrued investment income	46,858	4,449	(3,404)
Insurance liabilities	(96,802)	203,370	119,311
Premium receivables	(5,031)	(10,026)	(12,917)
Deferred policy acquisition costs	(1,274)	(783)	(7,967)
Reinsurance recoverables	22,006	(21,317)	11
Income tax liabilities	28,726	(3,383)	(4,620)
Other operating assets and liabilities	53,406	(2,048)	(1,692)
Other	(6,217)	(5,868)	(6,823)
Net cash provided by operating activities	127,573	200,888	256,586
Fixed maturity securities
Purchases	(1,058,747)	(1,428,889)	(1,569,220)
Sales	805,887	625,527	500,760
Maturities, paydowns, calls and redemptions	799,526	737,535	927,665
Equity securities
Purchases	(15,583)	(13,430)	(32,312)
Sales and repayments	33,502	25,498	53,100
Limited partnership interests
Purchases	(129,389)	(93,545)	(103,200)
Sales	91,587	16,997	20,234
Change in short-term and other investments, net	(49,325)	(56,192)	(25,691)
Acquisition of businesses, net of cash acquired	(421,516)	0	0
Net cash provided by (used in) investing activities	55,942	(186,499)	(228,664)
Cash flows from financing activities
Dividends paid to shareholders	(47,333)	(46,689)	(46,114)
Principal borrowings on senior revolving credit facility	135,000	0	0
FHLB borrowings	0	0	50,000
Acquisition of treasury stock	0	(5,088)	(1,660)
Proceeds from exercise of stock options	1,730	3,627	4,190
Withholding tax payments on RSUs tendered	(3,680)	(3,165)	(3,245)
Annuity contracts: variable, fixed and FHLB funding agreements
Deposits	637,538	489,097	453,146
Benefits, withdrawals and net transfers to Separate Account (variable annuity) assets	(419,001)	(473,003)	(411,061)
Principal repayment on FHLB funding agreements	(305,005)	0	0
Transfer of Company 401(k) to a third-party provider	0	0	(77,898)
Life policy accounts
Deposits	9,391	8,149	4,883
Withdrawals and surrenders	(3,558)	(4,910)	(4,458)
Change in deposit asset on reinsurance, net	(150,434)	0	0
Change in book overdrafts	(24,561)	21,872	(4,748)
Net cash used in financing activities	(169,913)	(10,110)	(36,965)
Net increase (decrease) in cash	13,602	4,279	(9,043)
Cash and restricted cash at beginning of period	11,906	7,627	16,670
Cash and restricted cash at end of period	$ 25,508	$ 11,906	$ 7,627