CONDENSED CONSOLIDATING FINANCIAL STATEMENTS Table 1 - Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Thousands |
Jun. 30, 2018 |
Dec. 31, 2017 |
Jun. 30, 2017 |
Dec. 31, 2016 |
| Assets |
|
|
|
|
| Cash and cash equivalents |
$ 20,344
|
$ 24,292
|
$ 29,191
|
$ 35,942
|
| Receivables, net |
142,151
|
176,775
|
|
|
| Inventories |
28,071
|
26,857
|
|
|
| Other current assets |
26,526
|
22,508
|
|
|
| Intercompany receivable |
0
|
0
|
|
|
| Total current assets |
217,092
|
250,432
|
|
|
| Property, plant and equipment, net |
4,459,681
|
4,300,933
|
|
|
| Intangible assets, net |
758,767
|
784,479
|
|
|
| Goodwill |
1,094,661
|
1,097,475
|
|
|
| Investment in wholly owned subsidiaries |
0
|
0
|
|
|
| Deferred income tax asset |
0
|
233
|
|
|
| Other long-term assets, net |
116,768
|
101,681
|
|
|
| Total assets |
6,646,969
|
6,535,233
|
|
|
| Liabilities, Mezzanine Equity and Partners’ Equity |
|
|
|
|
| Accounts payable |
127,801
|
145,932
|
|
|
| Short-term debt |
63,000
|
35,000
|
|
|
| Current portion of long-term debt |
0
|
349,990
|
|
|
| Accrued interest payable |
36,192
|
40,449
|
|
|
| Accrued liabilities |
64,719
|
61,578
|
|
|
| Taxes other than income tax |
16,220
|
14,385
|
|
|
| Income tax payable |
3,357
|
4,172
|
|
|
| Intercompany payable |
0
|
0
|
|
|
| Total current liabilities |
311,289
|
651,506
|
|
|
| Long-term debt, less current portion |
3,380,366
|
3,263,069
|
|
|
| Deferred income tax liability |
23,113
|
22,272
|
|
|
| Other long-term liabilities |
105,013
|
118,297
|
|
|
| Series D preferred units |
370,711
|
0
|
|
|
| Total partners' equity |
2,456,477
|
2,480,089
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
6,646,969
|
6,535,233
|
|
|
| Eliminations [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
0
|
0
|
0
|
0
|
| Receivables, net |
0
|
0
|
|
|
| Inventories |
0
|
0
|
|
|
| Other current assets |
0
|
0
|
|
|
| Intercompany receivable |
(2,882,812)
|
(3,112,164)
|
|
|
| Total current assets |
(2,882,812)
|
(3,112,164)
|
|
|
| Property, plant and equipment, net |
0
|
0
|
|
|
| Intangible assets, net |
0
|
0
|
|
|
| Goodwill |
0
|
0
|
|
|
| Investment in wholly owned subsidiaries |
(5,155,712)
|
(5,008,132)
|
|
|
| Deferred income tax asset |
|
0
|
|
|
| Other long-term assets, net |
0
|
0
|
|
|
| Total assets |
(8,038,524)
|
(8,120,296)
|
|
|
| Liabilities, Mezzanine Equity and Partners’ Equity |
|
|
|
|
| Accounts payable |
0
|
0
|
|
|
| Short-term debt |
0
|
0
|
|
|
| Current portion of long-term debt |
|
0
|
|
|
| Accrued interest payable |
0
|
0
|
|
|
| Accrued liabilities |
0
|
0
|
|
|
| Taxes other than income tax |
0
|
0
|
|
|
| Income tax payable |
0
|
0
|
|
|
| Intercompany payable |
(2,882,812)
|
(3,112,164)
|
|
|
| Total current liabilities |
(2,882,812)
|
(3,112,164)
|
|
|
| Long-term debt, less current portion |
0
|
0
|
|
|
| Deferred income tax liability |
0
|
0
|
|
|
| Other long-term liabilities |
0
|
0
|
|
|
| Series D preferred units |
0
|
|
|
|
| Total partners' equity |
(5,155,712)
|
(5,008,132)
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
(8,038,524)
|
(8,120,296)
|
|
|
| Parent Company Guarantor [Member] | NuStar Energy | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
896
|
885
|
867
|
870
|
| Receivables, net |
204
|
0
|
|
|
| Inventories |
0
|
0
|
|
|
| Other current assets |
78
|
61
|
|
|
| Intercompany receivable |
56,954
|
0
|
|
|
| Total current assets |
58,132
|
946
|
|
|
| Property, plant and equipment, net |
0
|
0
|
|
|
| Intangible assets, net |
0
|
0
|
|
|
| Goodwill |
0
|
0
|
|
|
| Investment in wholly owned subsidiaries |
2,837,072
|
2,891,371
|
|
|
| Deferred income tax asset |
|
0
|
|
|
| Other long-term assets, net |
3,391
|
303
|
|
|
| Total assets |
2,898,595
|
2,892,620
|
|
|
| Liabilities, Mezzanine Equity and Partners’ Equity |
|
|
|
|
| Accounts payable |
4,169
|
4,078
|
|
|
| Short-term debt |
0
|
0
|
|
|
| Current portion of long-term debt |
|
0
|
|
|
| Accrued interest payable |
0
|
0
|
|
|
| Accrued liabilities |
608
|
1,105
|
|
|
| Taxes other than income tax |
6
|
125
|
|
|
| Income tax payable |
0
|
0
|
|
|
| Intercompany payable |
0
|
322,296
|
|
|
| Total current liabilities |
4,783
|
327,604
|
|
|
| Long-term debt, less current portion |
0
|
0
|
|
|
| Deferred income tax liability |
0
|
0
|
|
|
| Other long-term liabilities |
0
|
0
|
|
|
| Series D preferred units |
370,711
|
|
|
|
| Total partners' equity |
2,523,101
|
2,565,016
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
2,898,595
|
2,892,620
|
|
|
| Subsidiary Issuer [Member] | NuStar Logistics | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
1,777
|
29
|
64
|
5
|
| Receivables, net |
61
|
280
|
|
|
| Inventories |
1,913
|
1,686
|
|
|
| Other current assets |
16,119
|
11,412
|
|
|
| Intercompany receivable |
2,825,858
|
3,112,164
|
|
|
| Total current assets |
2,845,728
|
3,125,571
|
|
|
| Property, plant and equipment, net |
1,857,862
|
1,893,720
|
|
|
| Intangible assets, net |
53,819
|
58,530
|
|
|
| Goodwill |
149,453
|
149,453
|
|
|
| Investment in wholly owned subsidiaries |
20,557
|
24,162
|
|
|
| Deferred income tax asset |
|
0
|
|
|
| Other long-term assets, net |
73,591
|
65,684
|
|
|
| Total assets |
5,001,010
|
5,317,120
|
|
|
| Liabilities, Mezzanine Equity and Partners’ Equity |
|
|
|
|
| Accounts payable |
25,949
|
27,642
|
|
|
| Short-term debt |
63,000
|
35,000
|
|
|
| Current portion of long-term debt |
|
349,990
|
|
|
| Accrued interest payable |
36,144
|
40,402
|
|
|
| Accrued liabilities |
21,666
|
17,628
|
|
|
| Taxes other than income tax |
5,368
|
7,110
|
|
|
| Income tax payable |
231
|
732
|
|
|
| Intercompany payable |
0
|
0
|
|
|
| Total current liabilities |
152,358
|
478,504
|
|
|
| Long-term debt, less current portion |
3,324,389
|
3,201,220
|
|
|
| Deferred income tax liability |
1,262
|
1,262
|
|
|
| Other long-term liabilities |
44,622
|
58,806
|
|
|
| Series D preferred units |
0
|
|
|
|
| Total partners' equity |
1,478,379
|
1,577,328
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
5,001,010
|
5,317,120
|
|
|
| Guarantor Subsidiaries [Member] | NuPOP | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
0
|
0
|
0
|
0
|
| Receivables, net |
0
|
0
|
|
|
| Inventories |
8,408
|
8,611
|
|
|
| Other current assets |
1,838
|
4,191
|
|
|
| Intercompany receivable |
0
|
0
|
|
|
| Total current assets |
10,246
|
12,802
|
|
|
| Property, plant and equipment, net |
622,399
|
591,070
|
|
|
| Intangible assets, net |
0
|
0
|
|
|
| Goodwill |
170,652
|
170,652
|
|
|
| Investment in wholly owned subsidiaries |
1,436,981
|
1,301,717
|
|
|
| Deferred income tax asset |
|
0
|
|
|
| Other long-term assets, net |
26,944
|
27,493
|
|
|
| Total assets |
2,267,222
|
2,103,734
|
|
|
| Liabilities, Mezzanine Equity and Partners’ Equity |
|
|
|
|
| Accounts payable |
6,810
|
13,160
|
|
|
| Short-term debt |
0
|
0
|
|
|
| Current portion of long-term debt |
|
0
|
|
|
| Accrued interest payable |
0
|
0
|
|
|
| Accrued liabilities |
8,016
|
9,450
|
|
|
| Taxes other than income tax |
4,828
|
3,794
|
|
|
| Income tax payable |
0
|
4
|
|
|
| Intercompany payable |
1,372,863
|
1,277,691
|
|
|
| Total current liabilities |
1,392,517
|
1,304,099
|
|
|
| Long-term debt, less current portion |
0
|
0
|
|
|
| Deferred income tax liability |
12
|
12
|
|
|
| Other long-term liabilities |
13,793
|
8,861
|
|
|
| Series D preferred units |
0
|
|
|
|
| Total partners' equity |
860,900
|
790,762
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
2,267,222
|
2,103,734
|
|
|
| Non-Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
17,671
|
23,378
|
$ 28,260
|
$ 35,067
|
| Receivables, net |
141,886
|
176,495
|
|
|
| Inventories |
17,750
|
16,560
|
|
|
| Other current assets |
8,491
|
6,844
|
|
|
| Intercompany receivable |
0
|
0
|
|
|
| Total current assets |
185,798
|
223,277
|
|
|
| Property, plant and equipment, net |
1,979,420
|
1,816,143
|
|
|
| Intangible assets, net |
704,948
|
725,949
|
|
|
| Goodwill |
774,556
|
777,370
|
|
|
| Investment in wholly owned subsidiaries |
861,102
|
790,882
|
|
|
| Deferred income tax asset |
|
233
|
|
|
| Other long-term assets, net |
12,842
|
8,201
|
|
|
| Total assets |
4,518,666
|
4,342,055
|
|
|
| Liabilities, Mezzanine Equity and Partners’ Equity |
|
|
|
|
| Accounts payable |
90,873
|
101,052
|
|
|
| Short-term debt |
0
|
0
|
|
|
| Current portion of long-term debt |
|
0
|
|
|
| Accrued interest payable |
48
|
47
|
|
|
| Accrued liabilities |
34,429
|
33,395
|
|
|
| Taxes other than income tax |
6,018
|
3,356
|
|
|
| Income tax payable |
3,126
|
3,436
|
|
|
| Intercompany payable |
1,509,949
|
1,512,177
|
|
|
| Total current liabilities |
1,644,443
|
1,653,463
|
|
|
| Long-term debt, less current portion |
55,977
|
61,849
|
|
|
| Deferred income tax liability |
21,839
|
20,998
|
|
|
| Other long-term liabilities |
46,598
|
50,630
|
|
|
| Series D preferred units |
0
|
|
|
|
| Total partners' equity |
2,749,809
|
2,555,115
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
$ 4,518,666
|
$ 4,342,055
|
|
|