Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net income	$ 12,059	$ 6,345
Other comprehensive (loss) income:
Foreign currency translation adjustment	(5,898)	842
Minimum pension and post retirement benefit plan adjustments	18	12
Other comprehensive (loss) income	(5,880)	854
Total comprehensive income	$ 6,179	$ 7,199

Other Comprehensive (Income) Loss, Minimum Pension Liability Net Adjustment Net Of Tax

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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 after tax and reclassification adjustments of other comprehensive income (loss).

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