Description of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Range of Estimated Useful Lives

The range of estimated useful lives is as follows:

Leasehold and land improvements	10-30 years
Buildings	10-30 years
Parts and service equipment	7-10 years
Office equipment and fixtures	3-10 years
Company vehicles	3-5 years