Basis of Presentation and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Basis of Presentation and Summary of Significant Accounting Policies

Schedule of intangible assets and deferred financing costs

Intangible assets and deferred financing costs consisted of the following (in thousands):

	December 31, 2012					December 31, 2011
	Gross CarryingAmount		Accumulated Amortization			Gross CarryingAmount		Accumulated Amortization
Deferred financing costs	$	7,837	$	(3,033	)	$	6,828	$	(1,527	)
Customer - related (13-18 year life)	25,083		(5,926		)	20,078		(3,193		)
Contract based (7-9 year life)	1,210		(1,175		)	1,210		(1,125		)
Intangible assets and deferred financing costs	$	34,130	$	(10,134	)	$	28,116	$	(5,845	)

Schedule of estimated future intangible amortization expense

Estimated future intangible amortization expense is as follows (in thousands):

2013	$	2,631
2014	2,377
2015	2,146
2016	1,936
2017	1,745
Thereafter	8,357
Total	$	19,192

Summary of the fair value and carrying value of long-term debt

A summary of the fair value and carrying value of our long-term debt as of December 31, 2012 and 2011 is shown in the table below (in thousands):

	December 31, 2012				December 31, 2011
	CarryingAmount		Fair Value		CarryingAmount		Fair Value
Long-term debt	$	680,500	$	691,000	$	545,500	$	556,000

Schedule of potential common units included in computing diluted earnings (loss) per common unit

The table below indicates the potential common units that were included in computing diluted earnings (loss) per common unit (in thousands):

	Years EndedDecember 31,
	2012	2011	2010
Weighted average common units outstanding — used in basic earnings (loss) per common unit	41,371	31,390	21,360
Net dilutive potential common units issuable:
Phantom units	11	13	**
Weighted average common units and dilutive potential common units — used in diluted earnings (loss) per common unit	41,382	31,403	21,360

** Excluded from diluted earnings (loss) per common unit as their inclusion would have been anti-dilutive.

Schedule of potential number of common units excluded from computing diluted earnings (loss) per common unit as their inclusion would have been anti-dilutive

The table below indicates the potential number of common units excluded from computing diluted earnings (loss) per common unit as their inclusion would have been anti-dilutive (in thousands):

	Years EndedDecember 31,
	2012	2011	2010
Net dilutive potential common units issuable:
Phantom units	—	3	19
Net dilutive potential common units issuable	—	3	19