Balance Sheet Details (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Balance Sheet Related Disclosures [Abstract]
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other non-current assets	Other non-current assets
Insurance recovery receivable:
Insurance recovery for health claims	$ 300	$ 369
Insurance recovery for workers’ compensation claims	2,836	2,629
Insurance recovery for professional liability claims	1,905	1,700
Insurance recovery receivable	5,041	4,698
Other non-current assets:
Insurance recovery for workers’ compensation claims	4,861	5,352
Insurance recovery for professional liability claims	9,137	7,763
Non-current security deposits	672	786
Deferred compensation assets	1,398	1,156
Net debt issuance costs	991	1,063
Finance lease right-of-use assets	57	102
Cloud computing asset	4,840	3,187
Other non-current assets	21,956	19,409
Accrued compensation and benefits:
Salaries and payroll taxes	39,139	13,131
Accrual for bonuses and commissions	10,755	7,705
Accrual for workers’ compensation claims	8,394	7,670
Accrual for professional liability claims	2,448	2,499
Accrual for healthcare claims	4,081	3,926
Accrual for vacation	763	609
Accrued compensation and benefits	65,580	35,540
Long-term accrued claims:
Accrual for workers’ compensation claims	11,777	12,692
Accrual for professional liability claims	13,537	12,720
Long-term accrued claims	25,314	25,412
Other long-term liabilities:
Restructuring	1,829	2,082
Deferred compensation	2,457	2,475
Long-term note payable	0	2,426
Long-term unrecognized tax benefits	8,994	951
Other	508	61
Other long-term liabilities	$ 13,788	$ 7,995