Business Segment and Geographic Information (Narrative) (Details) |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2019
Division
Countries
|
Dec. 31, 2018
Countries
|
Dec. 31, 2017
Countries
|
|
| Segment Reporting Information [Line Items] | |||
| Number of business segments | Division | 2 | ||
| Number of geographic regions | 4 | ||
| Maximum Percentage Revenue from One Geographic Segment | 10.00% | 10.00% | 10.00% |
| Maximum Percentage Property Plant and Equipment from One Geographic Segment | 10.00% | 10.00% | |
| Number of Countries Exceed Revenue Threshold | 1 | 1 | 1 |
| Number of Countries Exceed Property Plant and Equipment Threshold | 1 | 1 | |
| Property, Plant and Equipment [Member] | UNITED STATES | |||
| Segment Reporting Information [Line Items] | |||
| Concentration Risk, Percentage | 59.00% | 62.00% | |
| Revenue Benchmark [Member] | UNITED STATES | |||
| Segment Reporting Information [Line Items] | |||
| Concentration Risk, Percentage | 51.00% | 58.00% | 53.00% |