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Financial assets and other receivables - Securitization of trade receivables (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Securitization of trade receivables
Interest earned on SPE loans		$ 3,403	$ 1,313
Fixed-rate servicing fees		2,961	622
Additional servicing fees earned		11,174
Securitizations
Securitization of trade receivables
Upfront cash consideration		227,360	166,525
Term of the securitization program	3 years
Trade receivables sold under securitization program		2,059,000	850,000
Loss on transferral of trade receivables		(22,647)	(7,256)
Recognised assets representing continuing involvement in derecognised financial assets		67,079
Maximum commitment by Finacity Capital Management		3,000
Factoring of receivables
Securitization of trade receivables
Factored receivable		6,102	3,801
Senior Subordinated Loan | Securitizations
Securitization of trade receivables
Amount		$ 59,474
Interest Rate		4.00%
Junior Subordinated Loan | Securitizations
Securitization of trade receivables
Amount		$ 277
Interest Rate		30.00%
Maximum | Securitizations
Securitization of trade receivables
Upfront cash consideration	$ 303,000		$ 248,000

X

- Definition

Represents the amount of current factored receivable.

+ References

No definition available.

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- Definition

Represents the amount of fixed-rate servicing fees earned.

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No definition available.

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- Definition

The maximum amount of investment committed to by the intermediate subordinated lender.

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- Definition

Represents the length of the securitization program.

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No definition available.

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- Definition

The amount of trade receivables sold under the securitization program to the SPE.

+ References

No definition available.

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- Definition

The amount of upfront cash consideration provided or to be provided by the special purpose designated activity company (SPE) .

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No definition available.

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- Definition

Represents the amount of additional servicing fees earned.

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The gain (loss) recognised on derecognised financial assets as of the date of the transfer of the assets. [Refer: Financial assets]

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- Definition

The amount of interest income on loans and receivables. [Refer: Interest income; Loans and receivables]

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Interest rate used as a significant Level 3 unobservable input for assets. [Refer: Level 3 of fair value hierarchy [member]]

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The amount of assets recognised in the statement of financial position representing the entity's continuing involvement in derecognised financial assets. [Refer: Carrying amount [member]]

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