XML 110 R90.htm IDEA: XBRL DOCUMENT v2.4.0.8
Equipment and leasehold improvements (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Property, Plant and Equipment [Line Items]      
Leasehold improvements $ 7,414 $ 7,194  
Furniture and equipment 16,933 17,302  
Property, Plant and Equipment, Gross 24,347 24,496  
Less: accumulated depreciation and amortization 13,881 11,688  
Property, Plant and Equipment, Net $ 10,466 $ 12,808 $ 6,673