| Goodwill and Intangible Assets Goodwill and Intangibles Other (Details 4) - USD ($) | 12 Months Ended | ||
|---|---|---|---|
| Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | |
| Indefinite-lived Intangible Assets [Roll Forward] | |||
| Beginning balance | $ 4,400,000 | $ 4,400,000 | |
| Transfers to developed technology from IPR&D | 4,400,000 | 0 | |
| Ending balance | 0 | 4,400,000 | $ 4,400,000 | 
| Impairment losses | 0 | 2,198,000 | $ 2,000,000.0 | 
| Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | $ 0 | $ 0 | |
| X | ||||||||||
| 
- Definition Intangible Assets, Transfer from IPRD to Developed Tech No definition available. 
 | 
| X | ||||||||||
| 
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 | 
| X | ||||||||||
| 
- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
 | 
| X | ||||||||||
| 
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available. 
 | 
| X | ||||||||||
| 
- Definition Amount after impairment of indefinite-lived intangible assets classified as other. Excludes financial assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 |