Fair Value Measurements (Narrative) (Details) |
6 Months Ended |
|---|---|
|
Jun. 30, 2019
USD ($)
| |
| Fair Value Measurements [Abstract] | |
| Transfers between levels | $ 0 |
| X | ||||||||||
- Definition Amount of transfer of financial instrument between levels of the fair value hierarchy. No definition available.
|
| X | ||||||||||
- References No definition available.
|