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Selected Balance Sheet Information: Accounts Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Selected Balance Sheet Information [Abstract]
Billed Accounts Receivable	$ 192,444	$ 267,571
Unbilled Revenue	71,097	243,574
Less: Allowance for Credit Losses	(3,191)	(2,953)	$ (3,193)	$ (2,113)
Account Receivable, net	$ 260,350	$ 508,192

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Selected Balance Sheet Information [Abstract]

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Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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