STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities
Management fee received	$ 985,317	$ 937,962
Administrative services reimbursements received	301,509	279,689
Service agreement fee received	11,981	13,108
Net investment income received	18,735	18,749
Commissions paid to agents	(464,550)	(448,622)
Agents bonuses paid	(115,678)	(100,185)
Salaries and wages paid	(113,452)	(100,360)
Employee benefits paid	(16,567)	(15,962)
General operating expenses paid	(126,373)	(133,422)
Administrative services expenses paid	(310,617)	(298,046)
Income taxes paid	(40,503)	(25,625)
Interest paid	(2,082)	(4)
Net cash provided by operating activities	127,720	127,282
Purchase of investments:
Available-for-sale securities	(168,671)	(198,192)
Equity securities	(28,408)	(44,407)
Other investments	(605)	(622)
Proceeds from investments:
Available-for-sale securities sales	59,203	68,977
Available-for-sale securities maturities/calls	99,788	58,722
Equity securities	29,856	35,684
Other investments	869	577
Purchase of fixed assets	(28,197)	(37,426)
Loans to agents	(2,930)	(2,313)
Collections on agent loans	3,584	3,577
Net cash used in investing activities	(35,511)	(115,423)
Cash flows from financing activities
Dividends paid to shareholders	(96,400)	(89,881)
Net payments on long-term borrowings	(1,011)	(979)
Net cash used in financing activities	(97,411)	(90,860)
Net decrease in cash and cash equivalents	(5,202)	(79,001)
Cash and cash equivalents, beginning of period	161,240	336,739
Cash and cash equivalents, end of period	156,038	257,738
Supplemental disclosure of noncash transactions
Transfer of investments from limited partnerships to equity securities	0	4,188
Operating lease assets obtained in exchange for new operating lease liabilities	977	3,440
Liability incurred to purchase fixed assets	$ 13,024	$ 814