STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Management fee received	$ 1,434,070	$ 1,387,877
Administrative services reimbursements received	432,133	420,697
Service agreement fee received	19,418	20,754
Net investment income received	26,066	25,461
Limited partnership distributions	751	1,596
Commissions paid to agents	(696,447)	(669,618)
Agents bonuses paid	(104,301)	(112,262)
Salaries and wages paid	(146,420)	(138,279)
Employee benefits paid	(24,067)	(31,926)
General operating expenses paid	(193,613)	(179,799)
Administrative services expenses paid	(440,531)	(424,919)
Income taxes paid	(72,576)	(60,863)
Interest paid	(5)	(853)
Net cash provided by operating activities	234,478	237,866
Purchase of investments:
Available-for-sale securities	(338,093)	(852,886)
Equity securities	(66,847)	(46,536)
Limited partnerships	(20)	(20)
Other investments	(768)	(252)
Proceeds from investments:
Available-for-sale securities sales	89,264	655,519
Available-for-sale securities maturities/calls	92,731	282,846
Equity securities	55,000	4,505
Limited partnerships	589	3,600
Purchase of fixed assets	(52,289)	(68,363)
Loans to agents	(3,773)	(16,458)
Collections on agent loans	5,635	5,804
Net cash used in investing activities	(218,571)	(32,241)
Cash flows from financing activities
Dividends paid to shareholders	(134,821)	(125,737)
Net payments on long-term borrowings	(1,470)	(1,433)
Net cash used in financing activities	(136,291)	(127,170)
Net (decrease) increase in cash and cash equivalents	(120,384)	78,455
Cash and cash equivalents, beginning of period	336,739	266,417
Cash and cash equivalents, end of period	216,355	344,872
Supplemental disclosure of noncash transactions
Transfer of investments from limited partnerships to equity securities	13,041	0
Operating lease assets obtained in exchange for new operating lease liabilities	4,107	33,678
Liability incurred to purchase fixed assets	$ 496	$ 8,286