Trade payables and other current liabilities (Tables)

12 Months Ended

Dec. 31, 2017

Trade payables and other current liabilities [Abstract]

Trade payable and other current liabilities

Trade payable and other current liabilities as of December 31, 2017 and 2016 are as follows:

	Balance as of December 31,
Item	2017		2016
Trade accounts payables		107,662		121,527
Down payments from clients		6,466		6,153
Suppliers of concessional assets current		236		380
Liberty (see Note 16)		-		21,461
Other accounts payable		40,780		10,984
Total		155,144		160,505