Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows used in operating activities
Net (loss) income	$ 13,521	$ 19,925
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	7,210	7,315
Bad debt provision	36,643	18,170
Deferred income taxes	(3,485)	42
Share-based compensation expense	4,597	4,409
Amortization of premium on marketable securities	795	1,073
Unrealized gain on deferred compensation fund investments	(5,388)	(3,790)
Changes in other long-term liabilities	(334)	(249)
Net loss on disposals of property and equipment	405	387
Changes in operating assets and liabilities:
Accounts and notes receivable	(48,056)	(59,585)
Inventories and supplies	623	1,188
Prepaid expenses and other assets	(3,491)	7,824
Deferred compensation funding	157	262
Accounts payable and other accrued expenses	(15,695)	(9,337)
Accrued payroll, accrued and withheld payroll taxes	1,862	(461)
Income taxes payable	(2,921)	(4,859)
Accrued insurance claims	(1,576)	5,104
Deferred compensation liability	5,419	3,695
Net cash used in operating activities	(9,714)	(8,887)
Cash flows used in investing activities:
Disposals of property and equipment	150	85
Additions to property and equipment	(3,510)	(2,097)
Acquisition of equity method investment	(2,750)	0
Purchases of marketable securities	(37,880)	0
Sales of marketable securities	27,951	1,375
Net cash used in investing activities	(16,039)	(637)
Cash flows from financing activities:
Purchases of treasury stock	(3,000)	(2,223)
Proceeds from short-term borrowings	5,000	15,000
Payments of statutory withholding on net issuance of restricted stock units	(1,030)	(870)
Net cash from financing activities	970	11,907
Net (decrease) increase in cash, cash equivalents and restricted cash equivalents	(24,783)	2,383
Cash, cash equivalents and restricted cash equivalents at beginning of the period	54,330	26,279
Cash, cash equivalents and restricted cash equivalents at end of the period	$ 29,547	$ 28,662