Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows used in operating activities:
Net (loss) income	$ 15,788	$ 18,471
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	10,565	11,560
Bad debt provision	32,340	23,342
Deferred income tax benefit	(4,205)	0
Share-based compensation expense	6,793	7,156
Amortization of premium on marketable securities	1,609	1,673
Unrealized (gain) loss on deferred compensation fund investments	(2,562)	11,445
Changes in other long-term liabilities	(980)	(2,408)
Net loss on disposals of property and equipment	489	942
Changes in operating assets and liabilities:
Accounts and notes receivable	(59,530)	(75,042)
Inventories and supplies	1,976	3,303
Prepaid expenses and other assets	8,620	6,180
Deferred compensation funding	(353)	7,093
Accounts payable and other accrued expenses	(4,276)	(13,134)
Accrued payroll, accrued and withheld payroll taxes	(17,377)	(21,240)
Income taxes payable and receivable	(4,194)	3,383
Accrued insurance claims	6,207	6,555
Deferred compensation liability	3,143	(20,339)
Net cash used in operating activities	(5,947)	(31,060)
Cash flows (used in) from investing activities:
Disposals of property and equipment	121	187
Additions to property and equipment	(3,973)	(4,142)
Purchases of marketable securities	0	(2,875)
Sales of marketable securities	1,942	9,816
Cash paid for acquisitions	0	(114)
Net cash (used in) from investing activities	(1,910)	2,872
Cash flows from (used in) financing activities:
Dividends paid	0	(47,389)
Reissuance of treasury stock pursuant to Dividend Reinvestment Plan	0	77
Proceeds from the exercise of stock options	0	410
Purchases of treasury stock	(6,239)	0
Proceeds from short-term borrowings	20,000	25,000
Payments of statutory withholding on net issuance of restricted stock units	(870)	(1,071)
Net cash from (used in) financing activities	12,891	(22,973)
Net increase (decrease) in cash and cash equivalents	5,034	(51,161)
Cash and cash equivalents at beginning of the period	26,279	70,794
Cash and cash equivalents at end of the period	$ 31,313	$ 19,633