STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities
Management fee received	$ 1,496,372	$ 1,434,070
Administrative services reimbursements received	471,395	432,133
Service agreement fee received	18,048	19,418
Net investment income received	27,957	26,817
Commissions paid to agents	(726,411)	(696,447)
Agents bonuses paid	(119,778)	(104,301)
Salaries and wages paid	(160,784)	(146,420)
Employee benefits paid	(24,592)	(24,067)
General operating expenses paid	(180,028)	(193,613)
Administrative services expenses paid	(471,523)	(440,531)
Income taxes paid	(63,504)	(72,576)
Interest paid	(3,114)	(5)
Net cash provided by operating activities	264,038	234,478
Purchase of investments:
Available-for-sale securities	(267,067)	(338,093)
Equity securities	(45,654)	(66,847)
Other investments	(605)	(788)
Proceeds from investments:
Available-for-sale securities sales	108,869	89,264
Available-for-sale securities maturities/calls	142,614	92,731
Equity securities	54,303	55,000
Other investments	903	589
Purchase of fixed assets	(38,097)	(52,289)
Loans to agents	(5,648)	(3,773)
Collections on agent loans	7,224	5,635
Net cash used in investing activities	(43,158)	(218,571)
Cash flows from financing activities
Dividends paid to shareholders	(144,600)	(134,821)
Net payments on long-term borrowings	(1,524)	(1,470)
Net cash used in financing activities	(146,124)	(136,291)
Net increase (decrease) in cash and cash equivalents	74,756	(120,384)
Cash and cash equivalents, beginning of period	161,240	336,739
Cash and cash equivalents, end of period	235,996	216,355
Supplemental disclosure of noncash transactions
Transfer of investments from limited partnerships to equity securities	0	13,041
Operating lease assets obtained in exchange for new operating lease liabilities	2,379	4,107
Liability incurred to purchase fixed assets	$ 13,102	$ 496