XML 40 R29.htm IDEA: XBRL DOCUMENT v3.19.1
Property, Plant & Equipment (Tables)
3 Months Ended
Mar. 31, 2019
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment [Table]

Property, plant and equipment consisted of the following for the periods specified:
 
March 31, 2019
 
December 31, 2018
Property, plant and equipment
$
167,696,000

 
$
164,145,000

Accumulated depreciation
(85,514,000
)
 
(83,488,000
)
Property, plant and equipment — net
$
82,182,000

 
$
80,657,000