Consolidated Statements of Comprehensive Income (Loss) Statement - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net earnings	$ 173,546	$ 8,492	$ 6,653
Foreign currency translation adjustments, net of tax $158, ($73), and $2,822 for 2019, 2018, and 2017, respectively	595	(274)	5,241
Total other comprehensive income (loss)	595	(274)	5,241
Comprehensive income	174,141	8,218	11,894
Foreign currency translation tax adjustment	$ 158	$ (73)	$ 2,822

Consolidated Statements of Comprehensive Income (Loss) [Abstract]

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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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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax and 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), 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 after tax of other comprehensive income (loss) attributable to parent entity.

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