Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v3.19.3
Segment Information (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Segment Reporting Information [Line Items]        
Total consolidated revenue 100.00% 100.00% 100.00% 100.00%
North America [Member]        
Segment Reporting Information [Line Items]        
Total consolidated revenue 55.70% 56.10% 58.50% 56.90%
U.K. [Member]        
Segment Reporting Information [Line Items]        
Total consolidated revenue 18.60% 23.00% 20.90% 22.30%
Other foreign markets [Member]        
Segment Reporting Information [Line Items]        
Total consolidated revenue 25.70% 20.90% 20.60% 20.80%