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Summary of Significant Accounting Policies:Property and Equipment (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 1,629,417 $ 1,603,033
Less accumulated depreciation (856,683) (833,010)
Property and equipment, net 772,734 770,023
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 61,806 60,211
Buildings [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 242,484 231,087
Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 70,419 69,832
Mobile equipment, information technology, and office furniture [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 215,460 210,666
Machinery and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 993,900 989,338
Construction in progress [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 45,348 $ 41,899