Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities
Net income	$ 107,299	$ 147,425
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	25,535	12,701
Equity-based compensation	11,674	6,109
Loss on lease termination	178	1,756
Long-lived asset impairment	0	546
Loss (gain) on sale or disposal of assets	49	(99)
Provision for losses on accounts receivable	(74)	242
Non-cash lease expense	15,320	15,059
Accretion of original debt issuance discount	516	270
Non-cash interest	484	872
Deferred income taxes	3,438	(15,531)
Tax Receivable Agreement liability adjustment	0	3,520
Change in assets and liabilities, net of acquisitions:
Receivables and contracts in transit	(92,645)	(123,902)
Inventories	(348,374)	(50,169)
Prepaid expenses and other assets	6,327	9,037
Accounts payable and other accrued expenses	78,091	94,366
Deferred revenue	(1,842)	2,544
Operating lease liabilities	(15,529)	(17,192)
Other, net	(501)	278
Net cash (used in) provided by operating activities	(210,054)	87,832
Investing activities
Purchases of property and equipment	(31,665)	(14,906)
Proceeds from sale of property and equipment	199	213
Purchase of real property	(17,018)	(21,366)
Proceeds from the sale of real property	0	600
Purchases of businesses, net of cash acquired	(34,808)	(10,406)
Purchase of other investments	0	(350)
Purchases of intangible assets	(715)	0
Net cash used in investing activities	(84,007)	(46,215)
Financing activities
Payments on long-term debt	(3,954)	(3,038)
Net proceeds on notes payable - floor plan, net	275,296	78,139
Payments on finance leases	(1,021)	(401)
Proceeds from sale-leaseback arrangement	27,951	0
Payments on sale-leaseback arrangement	(36)	0
Dividends on Class A common stock	(26,427)	(10,353)
Proceeds from exercise of stock options	231	1,974
RSU shares withheld for tax	(1,238)	(214)
Repurchases of Class A common stock to treasury stock	(79,757)	0
Distributions to holders of LLC common units	(24,836)	(16,926)
Net cash provided by financing activities	166,209	49,181
(Decrease) increase in cash and cash equivalents	(127,852)	90,798
Cash and cash equivalents at beginning of the period	267,332	166,072
Cash and cash equivalents at end of the period	$ 139,480	$ 256,870