Shareholders' Equity and Capital Stock - o/s RSUs (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| RSUs | ||||
| Number of unvested units | 1,155,928 | 985,496 | 1,175,952 | 1,273,990 |
| Remaining life (years) | 1 year 4 months 24 days | |||
| Aggregate Intrinsic Value | $ 647 | |||
| August 22. 2018 | ||||
| RSUs | ||||
| Grant date | Aug. 20, 2018 | |||
| Number of unvested units | 225,774 | |||
| Remaining life (years) | 7 months 21 days | |||
| Aggregate Intrinsic Value | $ 126 | |||
| December 14, 2018 | ||||
| RSUs | ||||
| Grant date | Dec. 14, 2018 | |||
| Number of unvested units | 217,048 | |||
| Remaining life (years) | 11 months 16 days | |||
| Aggregate Intrinsic Value | $ 122 | |||
| November 5,2019 | ||||
| RSUs | ||||
| Grant date | Nov. 05, 2019 | |||
| Number of unvested units | 713,106 | |||
| Remaining life (years) | 1 year 10 months 6 days | |||
| Aggregate Intrinsic Value | $ 399 |
| X | ||||||||||
- Definition Restricted stock units issuance date for equity-based awards excluding options. No definition available.
|
| X | ||||||||||
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|