STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities
Management fee received	$ 1,387,877	$ 1,309,769
Administrative services reimbursements received	420,697	428,071
Service agreement fee received	20,754	21,297
Net investment income received	25,461	26,625
Limited partnership distributions	1,596	6,008
Commissions paid to agents	(669,618)	(639,574)
Agents bonuses paid	(112,262)	(130,657)
Salaries and wages paid	(138,279)	(136,868)
Pension contributions and employee benefits paid	(31,926)	(106,718)
General operating expenses paid	(179,799)	(144,759)
Administrative services expenses paid	(424,919)	(427,852)
Income taxes paid	(60,863)	(29,208)
Interest paid	(853)	(1,820)
Net cash provided by operating activities	237,866	174,314
Purchase of investments:
Available-for-sale securities	(852,886)	(194,773)
Equity securities	(46,536)	(4,087)
Limited partnerships	(20)	(217)
Other investments	(252)	0
Proceeds from investments:
Available-for-sale securities sales	655,519	125,913
Available-for-sale securities maturities/calls	282,846	98,922
Equity securities	4,505	4,159
Limited partnerships	3,600	3,046
Purchase of fixed assets	(68,363)	(48,667)
Agent loan distributions	(16,458)	(41,767)
Agent loan repayments	5,804	4,496
Net cash used in investing activities	(32,241)	(52,975)
Cash flows from financing activities
Dividends paid to shareholders	(125,737)	(117,355)
Net (payments) proceeds from long-term borrowings	(1,433)	24,983
Net cash used in financing activities	(127,170)	(92,372)
Net increase in cash and cash equivalents	78,455	28,967
Cash and cash equivalents, beginning of period	266,417	215,721
Cash and cash equivalents, end of period	344,872	244,688
Supplemental disclosure of noncash transactions
Operating lease assets obtained in exchange for new operating lease liabilities	33,678	0
Liability incurred to purchase fixed assets	$ 8,286	$ 0