Leases (Tables)

12 Months Ended

Dec. 31, 2014

Leases, Operating [Abstract]

Future Minimum Lease Payments Under Non-Cancelable Revenue Equipment Operating Leases

At December 31, 2014, the future minimum lease payments under non-cancelable revenue equipment operating leases are as follows (in thousands):

2015	$	578
Total	$	578

Rental Expense Under Non-Cancelable Revenue Equipment Operating Leases

Rental expense under these non-cancelable revenue equipment operating leases for the years ended December 31, 2014, 2013, and 2012 was as follows (in thousands):

2014	$	1,565
2013	1,593
2012	1,620