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Fixed Assets (Tables)
 12 Months Ended
Dec. 31, 2021
Property Plant And Equipment [Abstract]  
Summary Of Fixed Assets

The following is a summary of fixed assets as of December 31, 2021 and 2020 (in thousands):

 

 

 

December 31,

 

 

 

2021

 

 

2020

 

Office equipment

 

$

354,292

 

 

$

323,841

 

Leasehold improvements

 

 

113,576

 

 

 

105,187

 

Building

 

 

65,327

 

 

 

62,803

 

 

 

 

533,195

 

 

 

491,831

 

Accumulated depreciation and amortization

 

 

(364,989

)

 

 

(323,916

)

 

 

$

168,206

 

 

$

167,915