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Condensed Consolidated Statements of Changes in Partners' Capital (USD $) In Thousands, except Share data, unless otherwise specified | Common units Limited partner USD ($) | Common units | Subordinated units Limited partner USD ($) | General partner units General partner USD ($) | Total USD ($)
--- | --- | --- | --- | --- | ---
Partners' capital at Dec. 31, 2013 | $ 447,562 |  | $ 245,592 | $ 14,573 | $ 707,727
Partners' capital (in units) at Dec. 31, 2013 | 23,562,000 |  | 14,049,000 |  |
Increase (Decrease) in Partners' Capital |  |  |  |  |
Vesting of phantom units | 1,591 |  |  |  | 1,591
Vesting of phantom units (in units) | 68,000 |  |  |  |
General partner contribution |  |  |  | 294 | 294
Cash distributions and DERs | (38,337) |  | (20,651) | (1,224) | (60,212)
Proceeds from issuance of common units | 175,827 |  |  |  | 175,827
Proceeds from issuance of common units (in units) | 7,082,000 |  |  |  |
Unit-based compensation | 277 |  |  |  | 277
Modification of unit-based compensation | (1,170) |  |  |  | (1,170)
Net income | 11,133 |  | 4,846 | 467 | 16,446
Partners' capital at Sep. 30, 2014 | $ 596,883 |  | $ 229,787 | $ 14,110 | $ 840,780
Partners' capital (in units) at Sep. 30, 2014 | 30,712,000 |  | 14,049,000 |  |

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- Definition The amount of ownership interest of different classes of partners in limited partnership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 + Details
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- Definition Total contributions made by each class of partners (i.e., general, limited and preferred partners). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 + Details
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- Definition Total change in each class of partners' capital accounts during the year due to the sale of units. All partners include general, limited and preferred partners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 + Details
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