Consolidated Statements of Comprehensive Income (Parenthetical) (Unaudited) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Income Statement [Abstract] | ||||
| Depreciation | $ 1,966 | $ 2,522 | $ 4,131 | $ 5,211 |
| 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
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| X | ||||||||||
- References No definition available.
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