Unaudited Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Comprehensive Income
Net income	$ 199,099	$ 249,357	$ 473,134	$ 424,984
Unrealized appreciation (decline) in value of available-for-sale investments:
Unrealized holding gains (losses) arising during period	92,969	102,460	193,761	235,441
Portion of other-than-temporary impairment losses recognized in other comprehensive income, net of deferred income tax	0	(52)	0	(150)
Reclassification of net realized (gains) losses, net of income taxes, included in net income	(17,224)	(22,094)	(22,268)	(54,317)
Foreign currency translation adjustments	18,297	(18,151)	21,421	(838)
Comprehensive income	293,141	311,520	666,048	605,120
Net (income) loss attributable to noncontrolling interests	(13,932)	(38,302)	(34,840)	(59,131)
Foreign currency translation adjustments attributable to noncontrolling interests	76	42	68	200
Comprehensive income available to Arch	$ 279,285	$ 273,260	$ 631,276	$ 546,189

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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