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Rental Activity
12 Months Ended
Dec. 31, 2014
Leases [Abstract]  
Rental Activity
Rental Activity

We rent natural gas compressor packages to entities in the petroleum industry.  These rental arrangements are classified as operating leases and generally have original terms of six months to two years and continue on a month-to-month basis thereafter.  Future minimum rent payments for arrangements not on a month-to-month basis at December 31, 2014 are as follows :

Years Ending December 31, (in thousands)
2015
$
9,835

2016
1,306

Thereafter

Total
$
11,141