Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Net income	$ 76,472	$ 66,249
Unrealized gains (losses) on investments:
Unrealized holding gains (losses) arising during the period	7,367	39,374
Less: Reclassification adjustment for net gains (losses) included in net income	(1,631)	(2,157)
Net unrealized gains (losses) on investments	8,998	41,531
Net foreign currency translation adjustments	34	(85)
Net actuarial gains (losses)	0	(178)
Other comprehensive income (loss), net of tax	9,032	41,268
Comprehensive income	$ 85,504	$ 107,517

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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