Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenues:
Compression and other services	$ 27,167	$ 21,294	$ 72,427	$ 60,501
Sales of compressors and parts	1,517	3,326	3,737	8,329
Total revenues	28,684	24,620	76,164	68,830
Cost of revenues (excluding depreciation and amortization expense):
Cost of compression and other services	13,082	10,488	36,318	31,259
Cost of compressors and parts sales	829	2,512	2,057	6,037
Total cost of revenues	13,911	13,000	38,375	37,296
Selling, general and administrative expense	4,952	4,161	13,620	11,185
Depreciation and amortization	3,376	3,082	9,721	9,452
Interest (income) expense, net	24	(9)	2	5,102
Other (income) expense, net	427	598	618	814
Income before income tax provision	5,994	3,788	13,828	4,981
Provision for income taxes	931	497	2,396	847
Net income	5,063	3,291	11,432	4,134
Allocation of 2011 net income:
Net income	5,063	3,291	11,432	4,134
Net income applicable to the period through June 19, 2011		0		296
Net income applicable to the period June 20 through September 30, 2011		3,291		3,838
General partner interest in net income	101	66	229	77
Common units interest in net income	2,945	1,902	6,648	2,216
Subordinated units interest in net income	$ 2,017	$ 1,323	$ 4,555	$ 1,545
Net income per common unit:
Basic	$ 0.32	$ 0.21	$ 0.73	$ 0.25
Diluted	$ 0.32	$ 0.21	$ 0.73	$ 0.24
Weighted average common units outstanding:
Basic	9,163,738	9,031,958	9,155,744	8,999,095
Diluted	9,163,738	9,191,637	9,155,744	9,158,596
Net income per subordinated unit:
Basic and diluted	$ 0.32	$ 0.21	$ 0.73	$ 0.25
Weighted average subordinated units outstanding:
Basic and diluted	6,273,970	6,273,970	6,273,970	6,273,970