Consolidated Statements of Earnings and Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Change in unrealized gains (losses), deferred taxes	$ 22,918	$ (8,932)	$ 117,548	$ (56,690)
Reclassification for net realized capital gains and other than temporary impairments,taxes	(1,301)	(3,408)	(2,723)	(4,398)
Change in unrealized currency translation adjustment, deferred taxes	$ (2,749)	$ (407)	$ (2,141)	$ (1,848)

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Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss).

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