Summary of Significant Accounting Policies (Rollforward Analysis of the Allowance Against Accounts Receivable Balance) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Summary Of Significant Accounting Policies [Abstract] | |||
| Balance at beginning of year | $ (2,535) | $ (7,033) | $ (5,211) |
| Bad debt recovery (charge) | 341 | 77 | (452) |
| Reclassification of leasehold costs related to signing bonus | 4,197 | ||
| Reclassification of Sojitz acquisition | (694) | ||
| Adjustment associated with settlement of customs audit | 623 | ||
| Foreign currency gain | 63 | 224 | (676) |
| Balance at end of period | $ (1,508) | $ (2,535) | $ (7,033) |
| X | ||||||||||
- Definition Accounts Receivable Offset For Aquisitions Adjustment No definition available.
|
| X | ||||||||||
- Definition Allowance For Bad Debts, Foreign Currency Gain No definition available.
|
| X | ||||||||||
- Definition Allowance For Doubtful Accounts Receivable, Adjustment Related To Customs Audit No definition available.
|
| X | ||||||||||
- Definition Reclassification Of Leasehold Costs Related To Signing Bonus No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|