| Condensed Consolidated Statements of Cash Flows (Parentheticals) $ in Thousands | 9 Months Ended | 
|---|---|
| Sep. 30, 2020  USD ($) | |
| Condensed Consolidated Statements of Cash Flows | |
| Cash acquired | $ 559 | 
| X | ||||||||||
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- Definition The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 | 
| X | ||||||||||
| 
- References No definition available. 
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