Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating activities
Net income	$ 171,897	$ 184,743	$ 172,243
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	67,178	73,051	73,667
Equity in losses of unconsolidated subsidiaries	3,676	526	1,577
Loss (gain) on sale of assets, businesses, and resolution of contingencies	40	4	(1,158)
Stock compensation expense	2,327	651	2,141
Amortization of debt discount and issuance costs	1,708	0	0
Deferred income taxes	(2,396)	(6,286)	(8,639)
Other	72	327	589
Changes in operating assets and liabilities, net of effects of business combinations:
Accounts receivable	(1,598)	(10,262)	(5,931)
Other current assets	4,206	(20,743)	(2,875)
Other assets	2,973	2,738	8,921
Accounts payable and accrued liabilities	24,594	9,567	33,802
Net cash provided by operating activities	274,677	234,316	274,337
Investing activities
Business combinations, net of cash acquired	(6,965)	(6,004)	(9,702)
Acquired customer relationships	0	(4,382)	0
Purchases of property and equipment	(64,327)	(64,958)	(45,983)
Investment in businesses	0	0	(2,103)
Proceeds from sale of assets	27	36	38
Net cash used in investing activities	(71,265)	(75,308)	(57,750)
Financing activities
Proceeds from term loans, net of issuance costs	836,697	0	0
Proceeds from 6.875% senior notes, net of issuance costs	637,337	0	0
Borrowings of other debt	8,222	5,471	4,265
Principal payments on other debt	(10,181)	(7,165)	(7,395)
Exercise of stock options	0	3,340	3,340
Repurchases of common shares	0	(5,322)	(5,146)
Repurchase of Class A additional capital	0	0	(23,904)
Dividends paid to common stockholders	(7,959)	0	0
Repurchase of common stock	(15,403)	0	0
Distributions to and purchases of non-controlling interests	(5,913)	(6,130)	(6,289)
Proceeds from Initial Public Offering	511,198	0	0
Dividend to Select	(1,535,683)	0	0
Contributions from (distributions to) Select	2,279	4,515	6,823
Net cash used in financing activities	(51,531)	(165,291)	(209,858)
Net increase (decrease) in cash	151,881	(6,283)	6,729
Cash at beginning of period	31,374	37,657	30,928
Cash at end of period	183,255	31,374	37,657
Supplemental information
Cash paid for interest	49,650	44,348	31,116
Cash paid for taxes	55,763	60,607	42,169
Non-cash investing and financing activities:
Liabilities for purchases of property and equipment	5,241	5,136	7,739
Related Party
Financing activities
Payments on term loans	0	0	(31,552)
Borrowings from related party revolving promissory note	10,000	0	0
Payments on revolving facilities	(480,000)	(160,000)	(150,000)
Nonrelated Party
Financing activities
Payments on term loans	$ (2,125)	$ 0	$ 0