Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

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Property and Equipment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 117,752 $ 116,535  
Less accumulated depreciation and amortization (68,146) (61,389)  
Total property and equipment, net 49,606 55,146  
Depreciation and amortization 8,500 9,300 $ 9,400
Buildings and building improvements      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 53,121 53,049  
Computer equipment      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 26,489 27,775  
Furniture, fixtures, equipment and other      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 32,991 30,704  
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 600 545  
Land and land improvements      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 4,551 $ 4,462