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Property and Equipment, Net
12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net PROPERTY AND EQUIPMENT, NET
 
Property and equipment, net consist of the following (in thousands):

 December 31,
 20212020
Cost:  
Computer equipment$23,515 $18,848 
Office furniture and equipment6,462 5,735 
Leasehold improvements42,419 37,391 
 72,396 61,974 
Accumulated depreciation34,098 24,811 
Property and equipment, net$38,298 $37,163 
 
Depreciation and amortization expense of property and equipment, net for the years ended December 31, 2021, 2020 and 2019 were $9,355, $9,903 and $6,321, respectively.