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Receivables (Tables)
 12 Months Ended
Dec. 31, 2019
Accounts Receivable, after Allowance for Credit Loss, Current [Abstract]  
Schedule of Trade Accounts Receivables Net
Accounts receivable – trade, net consisted of the following: 
 
December 31,
 
2019
 
2018
Accounts receivable - trade
$
418,064

 
$
330,855

Allowance for doubtful accounts
(1,062
)
 
(7,393
)
Accounts receivable - trade, net
$
417,002

 
$
323,462
Schedule of Allowance For Doubtful Accounts
The following table presents the activity of our allowance for doubtful accounts for the periods indicated:
 
December 31,
 
2019
 
2018
 
2017
Balance at beginning of period
$
7,393

 
$
8,468

 
$
6,505

Charged to costs and expenses, net of recoveries
(5,572
)
 
31

 
2,001

Amounts written off
(759
)
 
(1,106
)
 
(38
)
Balance at end of period
$
1,062

 
$
7,393

 
$
8,468