Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues:
Compression and other services	$ 81,979	$ 77,396	$ 86,105
Sales of compressors and parts	13,200	4,017	4,468
Total revenues	95,179	81,413	90,573
Cost of revenues (excluding depreciation and amortization expense):
Cost of compression and other services	42,087	35,424	38,108
Cost of compressors and parts sales	9,620	2,554	2,851
Total cost of revenues	51,707	37,978	40,959
Selling, general and administrative expense	15,757	14,328	13,193
Depreciation and amortization	12,521	13,112	13,823
Interest expense, net	5,052	13,096	11,980
Other (income) expense, net	980	113	(82)
Income before income tax provision	9,162	2,786	10,700
Provision for income taxes	1,905	1,169	4,161
Net income	7,257	1,617	6,539
Allocation of 2011 net income used for earnings per unit calculation:
Net income	7,257	1,617	6,539
Net income attributable to period from January 1, 2011 through June 19, 2011	296
Net income attributable to period from June 20, 2011 through December 31, 2011	6,961
General partner interest in net income	139
Common units interest in net income	4,026
Subordinated units interest in net income	$ 2,796
Net income per common unit:
Basic	$ 0.45
Diluted	$ 0.44
Weighted average common units outstanding:
Basic	9,044,293
Diluted	9,063,339
Net income per subordinated unit:
Basic and diluted	$ 0.45
Weighted average subordinated units outstanding:
Basic and diluted	6,273,970