Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net income	$ 103,077	$ 70,239	$ 80,130
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	88,205	81,366	69,991
Stock-based compensation expense	26,633	25,563	24,001
Loss on sale of assets, net	14,538	12,435	125
Loss on extinguishment of debt	540	1,976	0
Amortization of deferred debt issuance costs	1,103	1,256	1,698
Non-cash lease expense	55,483	49,855	45,084
Deferred income tax	35,779	30,084	18,137
Changes in assets and liabilities:
Accounts receivable, net	152	5,513	(2,363)
Other receivables	338	373	960
Inventory, net	274	3,224	357
Prepaid expenses and other current assets	1,937	365	810
Accounts payable	2,698	3,373	(113)
Accrued expenses	941	9,157	6,065
Deferred revenue	1,802	1,274	3,195
Operating lease liability	(48,057)	(42,753)	(40,434)
Other noncurrent assets and liabilities	261	(4,680)	(2,990)
Net cash provided by operating activities	285,704	248,620	204,653
Cash flows from investing activities:
Purchases of property and equipment	(255,399)	(330,079)	(328,124)
Acquisition of car wash operations, net of cash	0	0	(51,218)
Proceeds from sale of property and equipment	48,552	130,227	119,977
Net cash used in investing activities	(206,847)	(199,852)	(259,365)
Cash flows from financing activities:
Proceeds from issuance of common stock under employee plans	5,538	6,510	9,777
Payments of tax withholding on option exercises	0	(19,290)	0
Proceeds from debt borrowings	0	925,000	0
Proceeds from revolving line of credit	0	217,000	0
Payments on debt borrowings	(120,307)	(905,820)	0
Payments on revolving line of credit	0	(217,000)	0
Payments of deferred debt issuance costs	0	(5,505)	0
Principal payments on finance lease obligations	(793)	(748)	(668)
Other financing activities	(2,396)	(422)	(500)
Net cash provided by (used in) financing activities	(117,958)	(275)	8,609
Net change in cash and cash equivalents and restricted cash during period	(39,101)	48,493	(46,103)
Cash and cash equivalents and restricted cash at beginning of period	67,612	19,119	65,222
Cash and cash equivalents and restricted cash at end of period	28,511	67,612	19,119
Reconciliation of cash, cash equivalents, and restricted cash to the consolidated balance sheets:
Cash and cash equivalents	28,450	67,463	19,047
Restricted cash, included in prepaid expenses and other current assets	61	149	72
Total cash, cash equivalents, and restricted cash	28,511	67,612	19,119
Supplemental disclosure of cash flow information:
Cash paid for interest	60,387	78,122	75,737
Cash paid for income taxes	2,541	2,529	4,221
Supplemental disclosure of non-cash investing and financing activities:
Property and equipment in accounts payable	5,912	10,914	17,907
Property and equipment accrued in other accrued expenses	11,181	9,653	13,303
Stock option exercise proceeds in other receivables	$ 0	$ 294	$ 0