Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

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- Definition

The cash outflow for derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3505-108585

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- Definition

Amount of unrealized gain (loss) related to the increase or decrease in fair value of interest rate derivatives designated as cash flow hedging instruments, which was recorded in accumulated other comprehensive income to the extent that the cash flow hedge was determined to be effective.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959

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Derivative instruments (Cross-currency Interest Rate Swap) (Details) - Cross-Currency Interest Rate Swaps - Cash Flow Hedging R$ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2018 BRL (R$)	Dec. 31, 2018 USD ($)	Apr. 30, 2017 BRL (R$)	Apr. 30, 2017 USD ($)
JP Morgan Chase Bank, N.A.
Derivative [Line Items]
Payments for derivative instrument	$ 2,689
Amount deferred in accumulated other comprehensive (loss) income	$ 677
Cross-Currency Interest Rate Swap Originated November 2013 \| JP Morgan Chase Bank, N.A. \| Payable
Derivative [Line Items]
Notional Amount \| R$		R$ 108,000
Cross-Currency Interest Rate Swap Originated November 2013 \| JP Morgan Chase Bank, N.A. \| Receivable
Derivative [Line Items]
Notional Amount			$ 35,400
Interest rate (as a percent)		4.38%	4.38%
Cross-Currency Interest Rate Swap Originated November 2013 \| Brazil Real \| JP Morgan Chase Bank, N.A. \| Payable
Derivative [Line Items]
Interest rate (as a percent)		13.00%	13.00%
Cross-Currency Interest Rate Swap Originated June 2017 \| JP Morgan Chase Bank, N.A. \| Payable
Derivative [Line Items]
Notional Amount \| R$		R$ 98,670
Cross-Currency Interest Rate Swap Originated June 2017 \| JP Morgan Chase Bank, N.A. \| Receivable
Derivative [Line Items]
Notional Amount			$ 30,000
Interest rate (as a percent)		6.02%	6.02%
Cross-Currency Interest Rate Swap Originated June 2017 \| Brazil Real \| JP Morgan Chase Bank, N.A. \| Payable
Derivative [Line Items]
Interest rate (as a percent)		13.00%	13.00%
Cross-Currency Interest Rate Swap Originated July 2017 \| Citibank N.A. \| Payable
Derivative [Line Items]
Notional Amount \| R$		R$ 94,200
Cross-Currency Interest Rate Swap Originated July 2017 \| Citibank N.A. \| Receivable
Derivative [Line Items]
Notional Amount			$ 30,000
Interest rate (as a percent)		6.29%	6.29%
Cross-Currency Interest Rate Swap Originated July 2017 \| Brazil Real \| Citibank N.A. \| Payable
Derivative [Line Items]
Interest rate (as a percent)		13.00%	13.00%
Subsidiaries \| Banco Santander (Brasil) S.A., Cayman Islands Branch \| Payable
Derivative [Line Items]
Notional Amount \| R$				R$ 155,500
Subsidiaries \| Banco Santander (Brasil) S.A., Cayman Islands Branch \| Receivable
Derivative [Line Items]
Notional Amount					$ 50,000
Interest rate (as a percent)				6.91%	6.91%
Subsidiaries \| Brazil Real \| Banco Santander (Brasil) S.A., Cayman Islands Branch \| Payable
Derivative [Line Items]
Interest rate (as a percent)				13.77%	13.77%
Subsidiaries \| Cross-Currency Interest Rate Swap Originated November 2013 \| BAML [Member] \| Payable
Derivative [Line Items]
Notional Amount \| R$				R$ 156,250
Subsidiaries \| Cross-Currency Interest Rate Swap Originated November 2013 \| BAML [Member] \| Receivable
Derivative [Line Items]
Notional Amount					$ 50,000
Interest rate (as a percent)				6.91%	6.91%
Subsidiaries \| Cross-Currency Interest Rate Swap Originated November 2013 \| Brazil Real \| BAML [Member] \| Payable
Derivative [Line Items]
Interest rate (as a percent)				13.64%	13.64%