ACQUISITIONS - Narrative (Details) $ in Thousands					12 Months Ended
	Aug. 31, 2021 USD ($) subsidiary note corporation entity shares	Apr. 08, 2021 USD ($) shares	Jan. 17, 2020 USD ($) shares	Oct. 23, 2017 shares	Dec. 31, 2021 USD ($) note	Dec. 31, 2020 USD ($)
Business Acquisition [Line Items]
Payments to acquire business					$ 371,314	$ 0
Director
Business Acquisition [Line Items]
Notes payable, related parties	$ 2,200				$ 907
Number of promissory notes | note	2				2
Credit Agreement
Business Acquisition [Line Items]
Proceeds from lines of credit	$ 261,000
Public Stock Offering
Business Acquisition [Line Items]
Sale of stock, number of shares issued in transaction (in shares) | shares	5,053,029	1,048,998	1,170,000	145,500
Sale of stock, consideration received	$ 154,443	$ 36,797	$ 10,780
Public Stock Offering | Director
Business Acquisition [Line Items]
Sale of stock, number of shares issued in transaction (in shares) | shares	13,636
RideNow
Business Acquisition [Line Items]
Number of subsidiaries created | subsidiary	5
Number of surviving corporations from acquisition | corporation	5
Number of entities acquired | entity	21
Payments to acquire business	$ 400,400				$ 400,400
Business acquisition, number of shares issued to acquire business (in shares) | shares	5,833,333
Consideration transferred, equity interest issued and issuable	$ 200,958				200,958
Acquisition costs					4,281
Income tax benefit					2,706	$ (6,305)
RideNow | Restricted Stock Units (RSUs)
Business Acquisition [Line Items]
Share-based payment arrangement, expense					$ 23,943
RideNow | Merged RideNow Entities
Business Acquisition [Line Items]
Percentage of voting interests acquired	30.00%
RideNow | Acquired RideNow Entities
Business Acquisition [Line Items]
Percentage of voting interests acquired	70.00%