XML 54 R43.htm IDEA: XBRL DOCUMENT v3.10.0.1
Assets - Property, Plant, and Equipment (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Property, plant, and equipment          
Gross property, plant and equipment $ 194,187   $ 194,187   $ 197,020
Less: accumulated depreciation and amortization 114,919   114,919   111,962
Net property, plant, and equipment 79,268   79,268   85,058
Depreciation expense 4,200 $ 3,500 8,400 $ 6,400  
Land          
Property, plant, and equipment          
Gross property, plant and equipment 5,669   5,669   5,669
Building and improvements          
Property, plant, and equipment          
Gross property, plant and equipment 59,301   59,301   54,449
Machinery and equipment          
Property, plant, and equipment          
Gross property, plant and equipment 120,467   120,467   126,829
Leaseholds improvements          
Property, plant, and equipment          
Gross property, plant and equipment $ 8,750   $ 8,750   $ 10,073