Other Current Liabilities (Tables)
 12 Months Ended
Dec. 31, 2021
Other Liabilities, Current [Abstract]  
Other Current Liabilities
Other current liabilities at December 31, 2021 and December 31, 2020 consisted of the following:
20212020
 (In thousands)
Acquisition obligations (contingent consideration)$2,444 $2,443 
Customer advances (deposits)24,393 25,043 
Total$26,837 $27,486