Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net income before noncontrolling interests	$ 108,906	$ 123,049	$ 229,153	$ 241,493
Other comprehensive income (loss):
Change in unrealized currency translation adjustments	(55,870)	33,627	(57,917)	(14,178)
Change in unrealized investment gains, net of taxes	105,033	(99,620)	181,888	(83,329)
Other comprehensive income (loss)	49,163	(65,993)	123,971	(97,507)
Comprehensive income	158,069	57,056	353,124	143,986
Noncontrolling interest	56	(24)	(667)	(139)
Comprehensive income to common stockholders	$ 158,125	$ 57,032	$ 352,457	$ 143,847