Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Income Statement [Abstract] | |||
| Depreciation | $ 5,695 | $ 6,253 | $ 7,567 |
| X | ||||||||||
- Definition Amount of expense for allocation of cost of tangible asset over its useful life directly used in production of good and rendering of service. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|