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Property and Equipment (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Property, Plant and Equipment    
Net book value of property and equipment decreased $ 8,222  
Net book value of property and equipment decreased (as a percent) 31.10%  
Capital expenditure purchases $ 1,778  
Depreciation expense 9,795  
Property and equipment, Gross 244,830 $ 253,066
Less accumulated depreciation (226,703) (226,717)
Property and equipment, net 18,127 26,349
Land, building and other    
Property, Plant and Equipment    
Property and equipment, Gross $ 12,553 $ 15,156
Land, building and other | Minimum    
Property, Plant and Equipment    
Estimated useful lives of property and equipment (in years) 3 years 3 years
Land, building and other | Maximum    
Property, Plant and Equipment    
Estimated useful lives of property and equipment (in years) 40 years 40 years
Recording equipment    
Property, Plant and Equipment    
Property and equipment, Gross $ 147,675 $ 148,330
Recording equipment | Minimum    
Property, Plant and Equipment    
Estimated useful lives of property and equipment (in years) 5 years 5 years
Recording equipment | Maximum    
Property, Plant and Equipment    
Estimated useful lives of property and equipment (in years) 10 years 10 years
Vibrator energy sources    
Property, Plant and Equipment    
Property and equipment, Gross $ 64,110 $ 69,239
Vibrator energy sources | Minimum    
Property, Plant and Equipment    
Estimated useful lives of property and equipment (in years) 5 years 5 years
Vibrator energy sources | Maximum    
Property, Plant and Equipment    
Estimated useful lives of property and equipment (in years) 15 years 15 years
Vehicles    
Property, Plant and Equipment    
Property and equipment, Gross $ 20,492 $ 20,341
Vehicles | Minimum    
Property, Plant and Equipment    
Estimated useful lives of property and equipment (in years) 1 year 6 months 1 year 6 months
Vehicles | Maximum    
Property, Plant and Equipment    
Estimated useful lives of property and equipment (in years) 10 years 10 years