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Other Long-Term Assets (Tables)
 12 Months Ended
Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Assets, Noncurrent
Other long-term assets as of December 31, 2021 and 2020 consist of the following (in thousands):
20212020
Cash surrender value of life insurance policies2,481 2,327 
Deferred income taxes1,540 2,048 
Installment receivables734 943 
Deferred financing fees409 411 
Investments86 85 
Other112 111 
Other Long-Term Assets$5,362 $5,925