Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities
Net income	$ 103,338	$ 101,463
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	36,355	36,593
Provision for expected credit losses	59	185
Equity in losses of unconsolidated subsidiaries	3,676	526
(Gain) loss on sale or disposal of assets	42	(14)
Stock compensation expense	332	178
Deferred income taxes	(1,618)	(3,265)
Changes in operating assets and liabilities, net of effects of business combinations:
Accounts receivable	(12,829)	(27,011)
Other current assets	1,224	(9,944)
Other assets	(4,217)	1,796
Accounts payable and accrued liabilities	(11,307)	(966)
Net cash provided by operating activities	115,055	99,541
Investing activities
Business combinations, net of cash acquired	(5,144)	(1,446)
Purchase of customer relationships	0	(4,382)
Purchases of property and equipment	(32,494)	(25,864)
Proceeds from sale of assets	23	20
Net cash used in investing activities	(37,615)	(31,672)
Financing activities
Borrowings from related party revolving promissory note	10,000	0
Payments on related party revolving promissory note	(60,000)	(70,000)
Borrowings of other debt	6,618	5,471
Principal payments on other debt	(4,378)	(4,074)
Distributions to and purchases of non-controlling interests	(2,643)	(3,130)
Distributions to Parent	(7,742)	(555)
Net cash used in financing activities	(58,145)	(72,288)
Net increase (decrease) in cash	19,295	(4,419)
Cash at beginning of period	31,374	37,657
Cash at end of period	50,669	33,238
Supplemental information
Cash paid for interest	19,512	22,784
Cash paid for taxes	$ 34,009	$ 32,445