Segment Information (Details) |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
Segment Reporting Information [Line Items] | ||||
Total consolidated revenue | 100.00% | 100.00% | 100.00% | 100.00% |
U.S. [Member] | ||||
Segment Reporting Information [Line Items] | ||||
Total consolidated revenue | 55.30% | 62.80% | 56.20% | 63.10% |
Canada [Member] | ||||
Segment Reporting Information [Line Items] | ||||
Total consolidated revenue | 2.10% | 3.70% | 2.40% | 4.40% |
U.K. [Member] | ||||
Segment Reporting Information [Line Items] | ||||
Total consolidated revenue | 22.50% | 19.10% | 22.40% | 20.60% |
Other foreign markets [Member] | ||||
Segment Reporting Information [Line Items] | ||||
Total consolidated revenue | 20.10% | 14.40% | 19.00% | 11.90% |