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Property and equipment (Tables)
 12 Months Ended
Dec. 31, 2021
Property and Equipment [Abstract]  
Property, Plant and Equipment
Property and equipment, net consists of the following:
Year Ended
December 31,
20212020
Land$2,114 $2,114 
Building and building improvements
9,211 9,211 
Computer hardware and software (software in progress of $990 and $1,485, respectively)40,358 41,910 
Office furniture and equipment3,067 3,172 
Leasehold improvements753 768 
Leased vehicles(1)
2,308 2,346 
Total, at cost57,811 59,521 
Less: accumulated depreciation and amortization(26,250)(25,334)
Property and equipment, net$31,561 $34,187 
(1) Includes vehicles under capital leases. See Note 12 of these Notes to Consolidated Financial Statements for further information on leases.