Summary of Significant Accounting Policies - Contract Balances (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| Summary of Significant Accounting Policies | ||
| Net Receivables, Opening balance | $ 16,944 | $ 15,321 |
| Net Receivables, Closing balance | 14,049 | 16,285 |
| Increase/(decrease) | (2,895) | 964 |
| Contract Liabilities, Current, Opening balance | 14 | 18 |
| Contract Liabilities, Current, Closing balance | 14 | 19 |
| Increase/(decrease) | 1 | |
| Contract Liabilities, Long-Term, Opening balance | 15 | 42 |
| Contract Liabilities, Long-Term, Closing balance | 9 | 29 |
| Increase/(decrease) | $ (6) | $ (13) |
| X | ||||||||||
- Definition Increase (Decrease) in Contract Receivable No definition available.
|
| X | ||||||||||
- Definition Increase (Decrease) in Contract with Customer, Liability, Current No definition available.
|
| X | ||||||||||
- Definition Increase (Decrease) in Contract with Customer, Liability, Noncurrent No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount billed to customers under long-term contracts or programs but not paid. Excludes amounts due that have been withheld because of retainage provisions in a contract. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|