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WARRANTY (Tables)
 3 Months Ended
Mar. 31, 2017
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability [Table Text Block] Changes in the warranty liability consisted of the following (amounts in thousands):
 
2017
 
2016
Warranty liability, January 1
$
17,926

 
$
23,120

Provision for warranty liabilities
1,864

 
1,813

Warranty payments made
(1,589
)
 
(2,790
)
Warranty liability, March 31
$
18,201

 
$
22,143