Capital Stock - Reserved Common Stock (Details) - Common Stock shares in Thousands	Dec. 31, 2017 shares
Class of Stock [Line Items]
Future grant of stock-based compensation	2,609
Shares reserved under other equity compensation plans	161
TOTAL	2,770

The number of shares reserved for issuance pertaining to equity compensation plans other than stock options

No definition available.

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- Definition

The number of shares reserved for issuance pertaining to future grants of stock-based compensation

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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