Company Description and Summary of Significant Accounting Policies, Contract Assets and Unbilled Receivables and Accounts Receivable and Allowances for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Contract Assets and Unbilled Receivables and Accounts Receivable and Allowances for Doubtful Accounts [Abstract]
Allowance for credit loss	$ 0	$ 0
Bad debt expense	$ 0