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Business Segments (Long-lived Assets by Geographic Location) (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets $ 321,892 $ 344,603
United States    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets 279,390 298,171
Europe    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets 26,962 25,956
Canada    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets 11,659 14,977
Asia-Pacific    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets 20 221
Middle East    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets 3,806 4,412
Latin America    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets $ 55 $ 866