SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Commodity Markets and Liquidity Conditions) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 01, 2019
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Line Items]
Period to receive core and receive a refund of the core charge	30 days
Total core charges and warranty sales as a percentage of revenue from auto parts operations and other revenue	1.00%
Right-of-use asset	$ 5,600,000
Lease liability	$ 5,600,000
First amendments to Kletter Notes [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Line Items]
One-time prepayment of principal amount		$ 500,000.0