Reporting Segments Schedule of fixed assets by geographic area (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Property and equipment, net	$ 20,528	$ 22,090
US
Segment Reporting Information [Line Items]
Property and equipment, net	18,535	19,902
UK
Segment Reporting Information [Line Items]
Property and equipment, net	1,633	1,724
Canada
Segment Reporting Information [Line Items]
Property and equipment, net	221	301
Other
Segment Reporting Information [Line Items]
Property and equipment, net	$ 139	$ 163