Annual report pursuant to Section 13 and 15(d)

LONG-LIVED ASSETS (Goodwill Assessment) (Details)

v3.20.4
LONG-LIVED ASSETS (Goodwill Assessment) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
reporting_unit
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Goodwill [Line Items]      
Number of Reporting Units 7    
Goodwill impairment | $ $ 0 $ 0 $ 10,500
Initial Qualitative Evaluation      
Goodwill [Line Items]      
Number of Reporting Units 4    
Qualitative Review      
Goodwill [Line Items]      
Number of Reporting Units 3    
Reporting unit percentage of goodwill 28.00%    
Qualitative Review & Quantitative Analysis [Member]      
Goodwill [Line Items]      
Number of Reporting Units 1    
Reporting unit percentage of goodwill 13.00%    
Qualitative Review & Quantitative Analysis [Member] | Quantitative Test Performed Every Five Years      
Goodwill [Line Items]      
Number of Reporting Units 3    
Reporting unit percentage of goodwill 59.00%