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Common Shares - Unrecognized Compensation (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($)
Stock Options |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation expense related to stock options | $ 159
Weighted average unrecognized compensation recognition period | 1 year 1 month 6 days
Restricted Stock Units (RSUs) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation expense related to unvested awards | $ 210
Weighted average unrecognized compensation recognition period | 8 months 12 days
Phantom Share Units (PSUs) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation expense related to unvested awards | $ 117
Weighted average unrecognized compensation recognition period | 1 year 6 months

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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Unrecognized cost of unvested options awarded to employees as compensation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + 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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