CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Comprehensive income (loss)
Net Income (Loss) Attributable to Parent	$ 169,507	$ 100,230
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	21,386	(1,160)
Net unrealized investment gains (losses)	1,108,211	(633,604)
Defined benefit pension and postretirement plan adjustments	(395)	(471)
Total other comprehensive income (loss), net of tax	1,129,202	(635,235)
Total comprehensive income (loss)	$ 1,298,709	$ (535,005)

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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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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