Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net income before noncontrolling interests	$ 220,663	$ 152,736	$ 449,816	$ 394,229
Other comprehensive income (loss):
Change in unrealized currency translation adjustments	(19,470)	(62,535)	(77,389)	(76,713)
Change in unrealized investment gains, net of taxes	(47,676)	4,497	134,213	(78,832)
Other comprehensive income (loss)	(67,146)	(58,038)	56,824	(155,545)
Comprehensive income	153,517	94,698	506,640	238,684
Noncontrolling interest	44	(35)	(623)	(174)
Comprehensive income to common stockholders	$ 153,561	$ 94,663	$ 506,017	$ 238,510