Details of Certain Balance Sheet Accounts (Schedule of Accrued Expenses) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Details Of Certain Balance Sheet Accounts [Abstract]
Current portion of operating lease liabilities	$ 10,801	$ 9,774
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Total accrued expenses	Total accrued expenses
Payor advances	$ 4,473	$ 6,485
Accrued health insurance	5,152	5,200
Accrued professional fees	3,576	2,978
Accrued payroll taxes	3,525	1,872
Other	10,781	10,768
Total accrued expenses	$ 38,308	$ 37,077