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Business Description And Significant Accounting Policies: Accounts Receivable (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Accounts Receivable [Line Items] |  |  |  |
Allowance for credit losses | $ (2,953) | $ (2,113) | $ (7,003) | $ (2,444)
Accounts Receivable, after Allowance for Credit Loss, Current, Total | 508,192 | 321,652 |  |
Billed Revenues |  |  |  |
Accounts Receivable [Line Items] |  |  |  |
Accounts Receivable, Trade | 267,571 | 181,027 |  |
Unbilled Revenues |  |  |  |
Accounts Receivable [Line Items] |  |  |  |
Accounts Receivable, Trade | $ 243,574 | $ 142,738 |  |

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