Unaudited Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Comprehensive Income
Net income	$ 274,035	$ 175,627
Unrealized appreciation (decline) in value of available-for-sale investments:
Unrealized holding gains (losses) arising during period	100,792	132,981
Portion of other-than-temporary impairment losses recognized in other comprehensive income, net of deferred income tax	0	(98)
Reclassification of net realized (gains) losses, net of income taxes, included in net income	(5,044)	(32,223)
Foreign currency translation adjustments	3,124	17,313
Comprehensive income	372,907	293,600
Net (income) loss attributable to noncontrolling interests	(20,908)	(20,829)
Foreign currency translation adjustments attributable to noncontrolling interests	(8)	158
Comprehensive income available to Arch	$ 351,991	$ 272,929

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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