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Property, Plant, and Equipment (Policies)
12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Capitalization of Internal Costs, Policy
Capitalized costs associated with internal-use software and website development, both developed internally and acquired externally, and depreciation of costs for the same periods associated with internal-use software and website development consist of the following (in thousands):
Year ended December 31,
202120202019
Capitalized internal-use software and website development$6,126 $10,246 $7,701 
Depreciation of internal-use software and website development7,237 10,262 11,683