Financing Receivables - Allowance For Credit Losses Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ (8,411)	$ (9,175)
Charge-offs	331	938
Recoveries	(8)	(3)
Reclassifications	39	0
Provision	(708)	(415)
Currency adjustments	(227)	(85)
Ending balance	(8,984)	(8,740)
Chile
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	(6,107)	(6,209)
Charge-offs	331	911
Recoveries	(1)	0
Reclassifications	0	0
Provision	(731)	(450)
Currency adjustments	(164)	(66)
Ending balance	(6,672)	(5,814)
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	(2,304)	(2,966)
Charge-offs	0	27
Recoveries	(7)	(3)
Reclassifications	39	0
Provision	23	35
Currency adjustments	(63)	(19)
Ending balance	$ (2,312)	$ (2,926)

Financing Receivable, Allowance for Credit Losses, Currency Translation Adjustments

No definition available.

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- Definition

Financing Receivable, Allowance for Credit Losses, Reclassifications

+ References

No definition available.

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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

+ Details

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- Definition

Amount of recovery of financing receivables doubtful of collection that were previously charged off.

+ References

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

+ References

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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