STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities
Management fee received	$ 1,454,902	$ 1,348,885	$ 1,240,311
Service agreement fee received	29,997	30,929	30,930
Net investment income received	25,999	22,846	21,517
Limited partnership distributions	14,112	15,327	27,050
Increase (decrease) in reimbursements collected from affiliates	7,775	(7,472)	6,435
Commissions paid to agents	(725,714)	(665,154)	(617,086)
Agents bonuses paid	(96,749)	(83,436)	(64,597)
Salaries and wages paid	(155,303)	(153,459)	(147,059)
Pension contribution and employee benefits paid	(40,993)	(48,516)	(40,844)
General operating expenses paid	(190,301)	(178,452)	(152,456)
Income taxes paid	(106,347)	(95,485)	(86,193)
Net cash provided by operating activities	217,378	186,013	218,008
Purchase of investments:
Available-for-sale securities	(228,308)	(250,789)	(242,676)
Limited partnerships	(928)	(1,123)	(2,907)
Proceeds from investments:
Available-for-sale securities	214,991	236,080	159,524
Limited partnerships	26,735	28,613	29,054
Net purchase of fixed assets	(12,556)	(19,473)	(10,750)
Net collections on agent loans	688	1,595	2,523
Net cash provided by (used in) investing activities	622	(5,097)	(65,232)
Cash flows from financing activities
Purchase of treasury stock	0	(19,692)	(31,721)
Dividends paid to shareholders	(126,858)	(118,526)	(83,618)
Net cash used in financing activities	(126,858)	(138,218)	(115,339)
Net increase in cash and cash equivalents	91,142	42,698	37,437
Cash and cash equivalents, beginning of year	91,747	49,049	11,612
Cash and cash equivalents, end of year	$ 182,889	$ 91,747	$ 49,049