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Summary of Significant Accounting Policies:Property and Equipment (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 1,285,710 $ 1,259,404
Less accumulated depreciation (791,893) (764,164)
Property and equipment, net 493,817 495,240
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 53,339 51,564
Buildings [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 180,582 178,323
Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 68,243 66,492
Mobile equipment, information technology, and office furniture [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 199,136 191,134
Machinery and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 748,359 735,979
Construction in progress [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 36,051 $ 35,912