Summary of Significant Accounting Policies - Contract Balances (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
|
| Accounting Policies [Abstract] | ||
| Net Receivables, Opening balance | $ 17,618 | $ 16,944 |
| Net Receivables, Closing balance | 18,182 | 14,049 |
| Increase/(decrease) | 564 | (2,895) |
| Contract Liabilities, Current, Opening balance | 14 | 14 |
| Contract Liabilities, Current, Closing balance | 14 | 14 |
| Increase/(decrease) | 0 | 0 |
| Contract Liabilities, Long-Term, Opening balance | 3 | 15 |
| Contract Liabilities, Long-Term, Closing balance | 0 | 9 |
| Increase/(decrease) | $ (3) | $ (6) |
| 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://www.xbrl.org/2009/role/commonPracticeRef
|
| 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
|