Details of Certain Balance Sheet Accounts (Schedule of Prepaid Expenses and Other Current Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Details Of Certain Balance Sheet Accounts [Abstract]
Income tax receivable		$ 7,556
Prepaid payroll	$ 7,566
Prepaid workers’ compensation and liability insurance	3,399	3,206
Workers’ compensation insurance receivable	666	1,559
Other	5,714	6,170
Total prepaid expenses and other current assets	$ 17,345	$ 18,491