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Property, Plant and Equipment, Net
 12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment, Net Property, Plant and Equipment, Net


The components of property, plant and equipment, net, are:


   
December 31,
  
(in thousands)
  
2023
    
2022
  
Land
  
$
199
    
$
199
  
Building and improvements
    
8,105
      
8,168
  
Rental property
    
2,749
      
2,749
  
Software
    
17,175
      
12,393
  
Furniture and equipment
    
13,994
      
13,117
  
Construction in process
    
228
      
181
  
     
42,450
      
36,807
  
Less accumulated depreciation
    
(26,926
)
    
(24,047
)
   
$
15,524
    
$
12,760
  


The estimated useful lives of buildings and improvements and rental property are 15 to 40 years. The estimated useful lives of furniture and equipment range from three to eight years. The estimated useful life on software is three to five years. Depreciation expense was $2.8 million, $3.2 million, and $2.3 million, for the years ended December 31, 2023, 2022, and 2021, respectively.