Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

The total future minimum rental commitments, exclusive of maintenance and operating costs, required under operating leases that have initial or remaining noncancelable lease terms in excess of one year at December 31, 2014, are as follows:

	Third Parties		Related Partnership		Total
For the year ending December 31:
2015	$	2,132	$	676	$	2,808
2016	2,236		676		2,912
2017	1,728		499		2,227
2018	1,537		188		1,725
2019	1,487		—		1,487
Thereafter	9,941		—		9,941
Total	$	19,061	$	2,039	$	21,100