STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities
Management fee received	$ 902,958	$ 859,694
Administrative services reimbursements received	296,390	298,056
Service agreement fee received	13,599	14,225
Net investment income received	16,799	17,279
Limited partnership distributions	1,292	3,037
Commissions paid to agents	(434,599)	(413,880)
Agents bonuses paid	(108,540)	(126,594)
Salaries and wages paid	(101,765)	(102,601)
Pension contributions and employee benefits paid	(22,085)	(99,334)
General operating expenses paid	(117,915)	(111,381)
Administrative services expenses paid	(291,136)	(295,635)
Income taxes paid	(39,863)	(208)
Interest paid	(719)	(1,065)
Net cash provided by operating activities	114,416	41,593
Purchase of investments:
Available-for-sale securities	(615,384)	(114,848)
Equity securities	0	(1,035)
Limited partnerships	(9)	(215)
Other investments	(124)	0
Proceeds from investments:
Available-for-sale securities sales	430,596	76,387
Available-for-sale securities maturities/calls	261,902	69,674
Equity securities	0	1,157
Limited partnerships	2,450	2,682
Purchase of fixed assets	(34,260)	(18,121)
Distributions on agent loans	(6,947)	(24,440)
Collections on agent loans	3,991	3,106
Net cash provided by (used in) investing activities	42,215	(5,653)
Cash flows from financing activities
Dividends paid to shareholders	(83,824)	(78,235)
Net (payments) proceeds from long-term borrowings	(962)	24,986
Net cash used in financing activities	(84,786)	(53,249)
Net increase (decrease) in cash and cash equivalents	71,845	(17,309)
Cash and cash equivalents, beginning of period	266,417	215,721
Cash and cash equivalents, end of period	338,262	$ 198,412
Supplemental disclosure of noncash transactions
Operating lease assets obtained in exchange for new operating lease liabilities	33,136
Liability incurred to purchase fixed assets	$ 14,980