STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities
Management fee received	$ 2,100,989	$ 1,982,092	$ 1,887,537
Administrative services reimbursements received	668,857	634,300	587,347
Service agreement revenue received	25,515	24,014	25,797
Net investment income received	40,161	45,830	35,740
Commissions paid to agents	(1,042,158)	(966,285)	(928,864)
Agents bonuses paid	(136,403)	(123,583)	(108,227)
Salaries and wages paid	(208,575)	(204,279)	(188,070)
Pension contribution and employee benefits paid	(68,433)	(32,836)	(33,098)
General operating expenses paid	(263,524)	(235,294)	(253,545)
Administrative services expenses paid	(667,524)	(632,530)	(598,753)
Income taxes paid	(80,619)	(84,494)	(82,576)
Interest paid	(2,134)	(4,141)	(693)
Net cash provided by operating activities	366,152	402,794	342,595
Purchase of investments:
Available-for-sale securities	(465,071)	(380,017)	(396,014)
Equity securities	(18,929)	(58,191)	(79,518)
Other investments	(157)	(1,646)	(1,142)
Proceeds from investments:
Available-for-sale securities sales	295,996	150,153	101,718
Available-for-sale securities maturities/calls	130,401	184,820	118,852
Equity securities	20,456	64,118	70,405
Other investments	429	1,076	613
Purchase of fixed assets	(67,204)	(148,800)	(55,528)
Proceeds from disposal of fixed assets	265	0	15
Loans to agents	(11,631)	(6,382)	(10,098)
Collections on agent loans	8,523	9,379	7,472
Net cash used in investing activities	(106,922)	(185,490)	(243,225)
Cash flows from financing activities
Dividends paid to shareholders	(206,772)	(192,801)	(272,902)
Proceeds from short-term borrowings	55,000	0	0
Payments on short-term borrowings	(55,000)	0	0
Payments on long-term borrowings	(94,070)	(2,041)	(1,967)
Net cash used in financing activities	(300,842)	(194,842)	(274,869)
Net (decrease) increase in cash and cash equivalents	(41,612)	22,462	(175,499)
Cash and cash equivalents, beginning of year	183,702	161,240	336,739
Cash and cash equivalents, end of year	142,090	183,702	161,240
Supplemental disclosure of noncash transactions
Liability incurred to purchase fixed assets	26,386	12,802	14,214
Operating lease assets obtained in exchange for lease liabilities	7,650	3,447	4,943
Transfer of investments from other investments to equity securities	$ 0	$ 0	$ 13,041