Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

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Property and Equipment (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Property, Plant and Equipment [Line Items]      
Property and Equipment, Gross $ 93,932,000 $ 99,587,000  
Less accumulated depreciation and amortization (36,194,000) (37,119,000)  
Total property and equipment, Net 57,738,000 62,468,000  
Depreciation and amortization 9,000,000 9,200,000 6,900,000
Building and Building Improvements [Member]
      
Property, Plant and Equipment [Line Items]      
Property and Equipment, Gross 45,418,000 44,428,000  
Computer Equipment [Member]
      
Property, Plant and Equipment [Line Items]      
Property and Equipment, Gross 24,933,000 28,704,000  
Furniture, Fixtures, Equipment and Other [Member]
      
Property, Plant and Equipment [Line Items]      
Property and Equipment, Gross 16,604,000 16,897,000  
Leasehold Improvements [Member]
      
Property, Plant and Equipment [Line Items]      
Property and Equipment, Gross 3,567,000 6,248,000  
Land and Land Improvements [Member]
      
Property, Plant and Equipment [Line Items]      
Property and Equipment, Gross $ 3,410,000 $ 3,310,000