Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities:
Net income	$ 27,815	$ 27,551
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	12,908	10,983
Bad debt provision	79,012	36,848
Deferred income taxes	15,939	(1,612)
Share-based compensation expense	8,881	6,828
Amortization of premium on marketable securities	359	1,003
Unrealized gain on deferred compensation fund investments	(6,926)	(7,809)
Changes in other long-term liabilities	(384)	(524)
Net loss on disposals of property and equipment	253	507
Share of losses from equity method investment	2,386	197
Changes in operating assets and liabilities:
Accounts and notes receivable	5,255	(57,909)
Inventories and supplies	(453)	1,434
Prepaid expenses and other assets	(3,603)	(3,503)
Deferred compensation funding	469	(27)
Accounts payable and other accrued expenses	(5,310)	(10,904)
Accrued payroll, accrued and withheld payroll taxes	(134)	(12,820)
Deferred ERC credits	12,276	0
Income taxes receivable/payable	(23,953)	(2,700)
Accrued insurance claims	(4,115)	(1,348)
Deferred compensation liability	6,906	8,403
Net cash provided by (used in) operating activities	127,581	(5,402)
Cash flows from investing activities:
Disposals of property and equipment	86	193
Additions to property and equipment	(4,438)	(4,909)
Cash paid for acquisition	(7,287)	0
Cash paid for investments	(2,125)	(2,750)
Purchases of marketable securities	(13,884)	(51,490)
Sales of marketable securities	8,082	43,205
Net cash used in investing activities	(19,566)	(15,751)
Cash flows from financing activities:
Purchases of treasury stock	(41,982)	(4,008)
Payments of statutory withholding on net issuance of restricted stock units	(1,744)	(1,030)
Net cash used in financing activities	(43,726)	(5,038)
Net increase (decrease) in cash, cash equivalents and restricted cash equivalents	64,289	(26,191)
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	$ 124,420	$ 28,139