Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net income	$ 17,228	$ 15,309
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	3,878	3,531
Bad debt provision	1,088	4,921
Deferred income taxes	(1,473)	(121)
Share-based compensation expense	3,738	2,484
Amortization of premium on marketable securities	117	459
Unrealized loss (gain) on deferred compensation fund investments	1,448	(4,110)
Changes in other long-term liabilities	9	1,308
Net loss on disposals of property and equipment	113	180
Share of income from equity method investment	(43)	0
Changes in operating assets and liabilities:
Accounts and notes receivable	2,241	(27,007)
Inventories and supplies	(525)	438
Prepaid expenses and other assets	(4,053)	3,350
Deferred compensation funding	976	653
Accounts payable and other accrued expenses	(5,512)	(13,493)
Accrued payroll, accrued and withheld payroll taxes	(4,591)	(16,815)
Deferred ERC credits	12,157	0
Income taxes receivable (payable)	1,212	(2,070)
Accrued insurance claims	2,174	1,556
Deferred compensation liability	(2,681)	3,394
Net cash provided by (used in) operating activities	27,501	(26,033)
Cash flows from investing activities:
Disposals of property and equipment	26	25
Additions to property and equipment	(1,743)	(2,198)
Cash paid for acquisition	(7,287)	0
Cash paid for investments	(2,125)	(2,750)
Purchases of marketable securities	(3,436)	0
Sales of marketable securities	95	16,639
Net cash (used in) provided by investing activities	(14,470)	11,716
Cash flows from financing activities:
Purchases of treasury stock	(7,036)	0
Proceeds from short-term borrowings	0	15,000
Payments of statutory withholding on net issuance of restricted stock units	(1,744)	(1,030)
Net cash (used in) provided by financing activities	(8,780)	13,970
Net increase (decrease) in cash, cash equivalents and restricted cash equivalents	4,251	(347)
Cash, cash equivalents and restricted cash equivalents at beginning of the period	60,131	54,330
Cash, cash equivalents and restricted cash equivalents at end of the period	$ 64,382	$ 53,983