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TRADE ACCOUNTS RECEIVABLE, NET
12 Months Ended
Dec. 31, 2019
Receivables [Abstract]  
TRADE ACCOUNTS RECEIVABLE, NET
15.
TRADE ACCOUNTS RECEIVABLE, NET

Trade accounts receivable are presented net of allowance for doubtful accounts of $2.9 million (2018: $5.8 million). Movements in the allowance for doubtful accounts in the three years ended December 31, 2019 are summarized as follows;
(in thousands of $)
 
 
Balance at December 31, 2016
 
6,170

Additions charged to income
 

Deductions credited to income
 
(172
)
Balance at December 31, 2017
 
5,998

Deductions credited to income
 
(203
)
Balance at December 31, 2018
 
5,795

Deductions credited to income
 
(2,847
)
Balance at December 31, 2019
 
2,948