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Consolidated Statements of Comprehensive Income (Loss) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Statement Of Income And Comprehensive Income [Abstract]      
Net income (loss) $ 17,707 $ (7,121) $ (3,029)
Other comprehensive income (loss), net of tax:      
Translation (loss) income (343) (3,858) 4,021
Interest rate swap (574) 76 180
Minimum pension liability adjustment (184) (22) (78)
Comprehensive income (loss) $ 16,606 $ (10,925) $ 1,094