Property, Plant and Equipment, Net - Components of Property, Plant and Equipment, Net, Excluding Discontinued Operations (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Gross assets	$ 37,600	$ 35,856
Less accumulated depreciation	(24,639)	(22,147)
Property, plant and equipment, net	12,961	13,709
Land
Property, Plant and Equipment [Line Items]
Gross assets	199	199
Building and improvements
Property, Plant and Equipment [Line Items]
Gross assets	8,176	7,822
Rental property
Property, Plant and Equipment [Line Items]
Gross assets	2,749	2,749
Software
Property, Plant and Equipment [Line Items]
Gross assets	12,393	12,100
Furniture and equipment
Property, Plant and Equipment [Line Items]
Gross assets	13,902	12,816
Construction in process
Property, Plant and Equipment [Line Items]
Gross assets	$ 181	$ 170