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WARRANTY (Tables)
12 Months Ended
Dec. 31, 2019
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]

Changes in the warranty liability for the periods set forth below consisted of the following (amounts in thousands):
 
2019
 
2018
Warranty liability, January 1
$
16,328

 
$
18,612

Provision for warranty liabilities
4,965

 
4,232

Warranty payments made
(6,959
)
 
(6,516
)
Warranty liability, December 31
$
14,334

 
$
16,328