Borrowings (Tables)

12 Months Ended

Dec. 31, 2018

Statement [LineItems]

Summary of Other Financial Liabilities

As of December 31, this item includes:

	Total				Current				Non-current
	2017		2018		2017		2018		2017		2018
Bank overdrafts		120		119		120		119		—		—
Bank loans		1,561,634		1,023,481		990,467		810,188		571,167		213,293
Finance leases		128,309		33,488		66,177		13,514		62,132		19,974
Other financial entities		—		145,584		—		2,653		—		142,931
		1,690,063		1,202,672		1,056,764		826,474		633,299		376,198

Summary of Bank Loan

				Current					Non-current
	Interest	Date of		At December, 31					At December, 31
	rate	maturity		2017		2018			2017		2018
GyM S.A.	1.63% /8.91%		2018 / 2019		551,413		227,770	(iii)		95,376		—
Graña y Montero S.A.A.	Libor USD 3M + from 4.9% to 5.5%		2018 / 2020		113,412		206,836	(ii)		363,564		125,547	(i)
GyM Ferrovías	Libor USD 1M + to 2%		2019		—		209,463			—		—
Viva GyM S.A.	7.00% / 12.00%		2018 / 2020		157,592		129,617			—		2,102
GMP S.A.	4.55% /6.04%		2018 / 2020		42,911		22,587			96,245		85,644
CONCAR S.A.	15.75%		2019		812		13,915			—		—
Adexus S.A.	5.90%		2018 / 2019		46,552		—			3,175		—
CAM Holding S.A.	4.68% / 13.76%		2018		77,775		—			12,807		—
					990,467		810,188			571,167		213,293

Summary of Finance Lease Obligations

					Current				Non-current
	Interest		Date of		At December, 31				At December, 31
	rate		maturity		2017		2018		2017		2018
GyM S.A.		0.40% /9.27%		2018 / 2023		40,107		4,523		32,397		9,314
GMP S.A.		0.25% /4.50%		2018 / 2021		4,013		4,034		5,304		1,522
Viva GyM S.A.		7.79% /8.46%		2018 / 2022		4,439		3,488		12,010		8,582
CONCAR S.A.		3.65% /5.05%		2018 / 2020		1,777		1,469		1,945		556
Adexus S.A.		3.36% /12.31%		2018 / 2022		8,567		—		4,363		—
GMI S.A.		5.56% /6.90%		2018		347		—		—		—
CAM Holding S.A.		3.01% /14.76%		2018		6,240		—		5,692		—
CAM Servicios Perú S.A.		6.79% /7.75%		2018		687		—		421		—
						66,177		13,514		62,132		19,974

Summary of Minimum Payment by Maturity and Present Value of Finance Lease Obligations

The minimum payments to be made according to their maturity and the present value of the leasing obligations are as follows:

	At December 31,
	2017			2018
Up to 1 year		72,864			15,151
From 1 to 5 years		65,899			21,583
Over 5 years		638			—
		139,401			36,734
Future financial charges on finance leases		(11,092	)		(3,246	)
Present value of the obligations for finance lease contracts		128,309			33,488

Summary of Carrying Amount and Fair Value of Borrowings

The book value and fair value of financial liabilities are as follows:

	Carrying amount				Fair value
	At December, 31				At December, 31
	2017		2018		2017		2018
Bank overdrafts		120		119		120		119
Bank loans		1,561,634		1,023,481		1,627,000		1,152,885
Finance leases		128,309		33,488		141,040		38,399
Other financial entities		—		145,584		—		145,584
		1,690,063		1,202,672		1,768,160		1,336,987

Obligations under finance leases [member]

Statement [LineItems]

Summary of Present value of Finance Lease Obligations

The present value of the finance lease agreements obligations are as follows:

	At December 31,
	2017		2018
Up to 1 year		66,177		13,514
From 1 year to 5 years		61,501		19,974
Over 5 years		631		—
		128,309		33,488