Unaudited Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Comprehensive Income
Net income (loss)	$ (88,674)	$ 495,498
Unrealized appreciation (decline) in value of available-for-sale investments:
Unrealized holding gains (losses) arising during period	(57,287)	225,887
Reclassification of net realized (gains) losses, included in net income (loss)	(121,229)	(10,221)
Foreign currency translation adjustments	(44,689)	5,516
Comprehensive income (loss)	(311,879)	716,680
Net (income) loss attributable to noncontrolling interests	232,791	(46,970)
Other comprehensive (income) loss attributable to noncontrolling interests	33,058	(4,139)
Comprehensive income (loss) available to Arch	$ (46,030)	$ 665,571

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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