ACQUISITIONS (Tables)
12 Months Ended
Dec. 31, 2013
Business Acquisition [Line Items]  
Business Acquisition, Pro Forma Information
 
Year ended December 31,
 
2013
 
2012
 
(In thousands)
Total Bison Midstream and Mountaineer Midstream revenues included in consolidated revenues
$
60,323

 
$

Total Bison Midstream and Mountaineer Midstream net income included in consolidated net income
(457
)
 

 
 
 
 
Pro forma total revenues
$
254,957

 
$
203,093

Pro forma net income
40,661

 
32,167

 
 
 
 
Pro forma common EPU - basic and diluted
$
0.74

 
0.29

Pro forma subordinated EPU - basic and diluted
0.74

 
0.29

Bison Midstream
 
Business Acquisition [Line Items]  
Fair Value of Assets Acquired and Liabilities Assumed
In exchange for its $305.4 million net investment in Bison Midstream, SMLP paid SMP Holdings and the general partner total cash and unit consideration of $248.9 million. As a result of the contribution of net assets in excess of consideration, SMLP recognized a capital contribution from SMP Holdings. The details of total cash and unit consideration as well as the calculation of the capital contribution and its allocation to partners' capital follow (dollars in thousands).
SMP Holdings' net investment in Bison Midstream
 
 
$
305,449

Aggregate cash paid to SMP Holdings
$
200,000

 
 
Issuance of 1,553,849 SMLP common units to SMP Holdings
47,936

 
 
Issuance of 31,711 SMLP general partner units to the general partner
978

 
 
Total consideration
 
 
248,914

SMP Holdings' contribution of net assets in excess of consideration
 
 
$
56,535

 
 
 
 
Allocation of capital contribution:
 
 
 
General partner interest
$
1,131

 
 
Common limited partner interest
28,558

 
 
Subordinated limited partner interest
26,846

 
 
Partners' capital allocation
 
 
$
56,535

The fair values of the assets acquired and liabilities assumed as of February 15, 2013, were as follows (in thousands):
Purchase price assigned to Bison Gas Gathering system
 
 
$
303,168

Current assets
$
5,705

 
 
Property, plant, and equipment
85,477

 
 
Intangible assets
164,502

 
 
Other noncurrent assets
2,187

 
 
Total assets acquired
257,871

 
 
Current liabilities
6,112

 
 
Other noncurrent liabilities
2,790

 
 
Total liabilities assumed
$
8,902

 
 
Net identifiable assets acquired
 
 
248,969

Goodwill
 
 
$
54,199

Schedule of Revenue and Net Income Disclosures
Revenues and net income for the previously separate entities and the combined amounts for the year ended December 31, 2013, as presented in these consolidated financial statements follow.
 
Year ended December 31, 2013
 
(In thousands)
SMLP revenues
$
225,192

Bison Gas Gathering system revenues
17,614

Combined revenues
$
242,806

 
 
SMLP net income
$
43,584

Bison Gas Gathering system net income
52

Combined net income
$
43,636

Mountaineer Midstream
 
Business Acquisition [Line Items]  
Fair Value of Assets Acquired and Liabilities Assumed
The allocation and valuation of units issued to SMP Holdings and the general partner to partially fund the Mountaineer Acquisition follow (dollars in thousands).
Issuance of 3,107,698 SMLP common units to SMP Holdings
$
98,000

Issuance of 63,422 SMLP general partner units to the general partner
2,000

Issuance of units in connection with the Mountaineer Acquisition
$
100,000

The final fair values of the assets acquired and liabilities assumed as of June 21, 2013, were as follows (in thousands):
Purchase price assigned to Mountaineer Midstream
 
 
$
210,000

Property, plant, and equipment
$
163,661

 
 
Gas gathering agreement contract intangibles
24,019

 
 
Rights-of-way
6,109

 
 
Total assets acquired
193,789

 
 
Total liabilities assumed
$

 
 
Net identifiable assets acquired
 
 
193,789

Goodwill
 
 
$
16,211

Grand River Gathering, LLC
 
Business Acquisition [Line Items]  
Fair Value of Assets Acquired and Liabilities Assumed
The final fair values of the assets acquired and liabilities assumed as of October 27, 2011, were as follows (in thousands):
Purchase price assigned to Grand River Gathering
 
 
$
590,210

Property, plant, and equipment
$
295,240

 
 
Gas gathering agreement contract intangibles
244,100

 
 
Rights-of-way
8,016

 
 
Total assets acquired
547,356

 
 
Deferred revenue
1,770

 
 
Other current liabilities
854

 
 
Total liabilities assumed
$
2,624

 
 
Net identifiable assets acquired
 
 
544,732

Goodwill
 
 
$
45,478