Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Consolidated Statements of Comprehensive Income
Net income	$ 17,034	$ 45,885	$ 126,959
Other comprehensive (loss) income:
Foreign currency translation adjustments	(444)	(1,794)	4,347
Amortization of actuarial loss and other adjustments from pension plan	(262)	66	108
Total other comprehensive (loss) income	(706)	(1,728)	4,455
Comprehensive income	$ 16,328	$ 44,157	$ 131,414

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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