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Fixed Assets (Details)
$ in Thousands
 1 Months Ended 12 Months Ended
Aug. 31, 2017
USD ($)
a
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Property, Plant and Equipment [Line Items]        
Fixed assets, gross   $ 481,046 $ 512,292  
Less: accumulated depreciation and amortization   (312,060) (359,269)  
Fixed assets, net   168,986 153,023  
Depreciation expense   23,200 19,900 $ 21,200
Number of acres | a 6      
Proceeds from sale of property $ 12,200      
Promissory note received in sale of land $ 5,700      
Interest rate on promissory note 3.50%      
Gain on sale of land $ 3,300      
Land [Member]        
Property, Plant and Equipment [Line Items]        
Fixed assets, gross   18,152 18,144  
Building and Building Improvements [Member]        
Property, Plant and Equipment [Line Items]        
Fixed assets, gross   140,567 138,238  
Furniture and Fixtures [Member]        
Property, Plant and Equipment [Line Items]        
Fixed assets, gross   70,355 123,021  
Software Development [Member]        
Property, Plant and Equipment [Line Items]        
Fixed assets, gross   244,425 222,903  
Leasehold Improvements [Member]        
Property, Plant and Equipment [Line Items]        
Fixed assets, gross   $ 7,547 $ 9,986