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Goodwill (Tables)
12 Months Ended
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The changes in the carrying amount of goodwill for the year ended December 31, 2017, 2018, and 2019 are as follows:
IndustrialAgriculturalConsolidated
(in thousands) 
Balance at December 31, 2016$63,152  $11,673  $74,825  
Translation adjustment1,506  689  2,195  
Goodwill acquired4,846  2,895  7,741  
Balance at December 31, 2017$69,504  $15,257  $84,761  
Translation adjustment(916) (1,460) (2,376) 
Goodwill adjustment84  774  858  
Balance at December 31, 2018$68,672  $14,571  $83,243  
Translation adjustment(124) 144  20  
Goodwill acquired114,759  —  114,759  
Balance at December 31, 2019$183,307  $14,715  $198,022