Reportable Segments Total Assets (Geographical) (Details) - Total Assets	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
United States
Segment Reporting Information
Concentration risk (percent)	51.00%	47.00%
The Netherlands
Segment Reporting Information
Concentration risk (percent)	18.00%	17.00%
United Kingdom
Segment Reporting Information
Concentration risk (percent)	18.00%	18.00%
Ireland
Segment Reporting Information
Concentration risk (percent)	4.00%	11.00%
Poland
Segment Reporting Information
Concentration risk (percent)	4.00%	4.00%
Germany
Segment Reporting Information
Concentration risk (percent)	3.00%	3.00%
Spain
Segment Reporting Information
Concentration risk (percent)	2.00%	0.00%