Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating activities
Net (loss) income	$ (39,447)	$ 136,835
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	41,644	34,207
Equity-based compensation	9,513	10,535
Loss on debt restructure		1,676
Long-lived asset impairment	50,025
Loss on disposal of assets	9,247	987
Provision for losses on accounts receivable	562	1,957
Non-cash lease expense	40,739
Accretion of original debt issuance discount	776	764
Non-cash interest	3,362	4,655
Deferred income taxes	18,620	7,621
Tax Receivable Agreement liability adjustment	(8,477)
Change in assets and liabilities, net of acquisitions:
Receivables and contracts in transit	(37,121)	(56,118)
Inventories	195,137	(42,630)
Prepaid expenses and other assets	12,634	5,496
Accounts payable and other accrued expenses	59,220	124,442
Payment pursuant to Tax Receivable Agreement	(9,425)	(8,100)
Accrued rent for cease-use locations		(622)
Deferred revenue and gains	9,060	19,328
Operating lease liabilities	(40,405)
Other, net	7,477	13,040
Net cash provided by operating activities	323,141	254,073
Investing activities
Purchases of property and equipment	(45,039)	(108,422)
Purchase of real property	(27,821)	(100,073)
Proceeds from the sale of real property	24,622
Purchases of businesses, net of cash acquired	(48,408)	(82,195)
Proceeds from sale of property and equipment	4,955	892
Net cash used in investing activities	(91,691)	(289,798)
Financing activities
Proceeds from long-term debt	11,663	319,913
Payments on long-term debt	(10,122)	(76,709)
Net payments on notes payable - floor plan, net	(170,215)	(212,080)
Borrowings on revolving line of credit	14,029	24,403
Payments on revolving line of credit	(6,428)
Payments of principal on finance lease obligations	(23)	(660)
Payments of principal on right to use liability		(119)
Payment of debt issuance costs	(47)	(3,120)
Dividends on Class A common stock	(17,137)	(16,999)
Proceeds from exercise of stock options		153
RSU shares withheld for tax	(821)	(62)
Disgorgement of short-swing profits by Section 16 officer		557
Members' distributions	(60,672)	(98,349)
Net cash used in financing activities	(239,773)	(63,072)
Decrease in cash and cash equivalents	(8,323)	(98,797)
Cash and cash equivalents at beginning of the period	138,557	224,163
Cash and cash equivalents at end of period	$ 130,234	$ 125,366