Details of Certain Balance Sheet Accounts (Schedule of Prepaid Expenses and Other Current Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Details Of Certain Balance Sheet Accounts [Abstract]
Prepaid payroll		$ 8,735
Prepaid workers' compensation and liability insurance	$ 2,329	3,696
Prepaid licensing fees	5,651	4,481
Workers' compensation insurance receivable	699	577
Other	1,722	2,225
Total prepaid expenses and other current assets	$ 10,401	$ 19,714

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(9))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Name:	us-gaap_PrepaidExpenseAndOtherAssetsCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant