Goodwill (Schedule of Goodwill) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Balance | $ 36,504 | $ 0 | |
| Goodwill, Impairment Loss | (7,005) | ||
| Balance | 49,977 | 36,504 | $ 0 |
| Boca International Limited [Member] | |||
| Goodwill, Acquired During Period | $ 36,504 | ||
| Goodwill, Impairment Loss | (5,618) | ||
| Century Skyway Limited [Member] | |||
| Goodwill, Acquired During Period | 20,230 | ||
| Goodwill, Impairment Loss | (1,387) | ||
| Giant Connection Limited [Member] | |||
| Goodwill, Acquired During Period | $ 248 | ||
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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