CONDENSED CONSOLIDATING FINANCIAL STATEMENTS Table 1 - Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Assets |
|
|
|
|
| Cash and cash equivalents |
$ 24,292
|
$ 35,942
|
$ 118,862
|
$ 87,912
|
| Receivables, net |
176,775
|
170,610
|
|
|
| Inventories |
26,857
|
37,945
|
|
|
| Other current assets |
22,508
|
132,686
|
|
|
| Intercompany receivable |
0
|
0
|
|
|
| Total current assets |
250,432
|
377,183
|
|
|
| Property, plant and equipment, net |
4,300,933
|
3,722,283
|
|
|
| Intangible assets, net |
784,479
|
127,083
|
|
|
| Goodwill |
1,097,475
|
696,637
|
696,637
|
|
| Investment in wholly owned subsidiaries |
0
|
0
|
|
|
| Deferred income tax asset |
233
|
2,051
|
|
|
| Other long-term assets, net |
101,681
|
105,308
|
|
|
| Total assets |
6,535,233
|
5,030,545
|
|
|
| Liabilities and Partners' Equity |
|
|
|
|
| Current portion of long-term debt |
349,990
|
0
|
|
|
| Payables |
145,932
|
118,686
|
|
|
| Short-term debt |
35,000
|
54,000
|
|
|
| Accrued interest payable |
40,449
|
34,030
|
|
|
| Accrued liabilities |
61,578
|
60,485
|
|
|
| Taxes other than income tax |
14,385
|
15,685
|
|
|
| Income tax payable |
4,172
|
6,510
|
|
|
| Intercompany payable |
0
|
0
|
|
|
| Total current liabilities |
651,506
|
289,396
|
|
|
| Long-term debt, less current portion |
3,263,069
|
3,014,364
|
|
|
| Deferred income tax liability |
22,272
|
22,204
|
|
|
| Other long-term liabilities |
118,297
|
92,964
|
|
|
| Total partners’ equity |
2,480,089
|
1,611,617
|
|
|
| Total liabilities and partners' equity |
6,535,233
|
5,030,545
|
|
|
| Eliminations |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
0
|
0
|
0
|
0
|
| Receivables, net |
0
|
0
|
|
|
| Inventories |
0
|
0
|
|
|
| Other current assets |
0
|
0
|
|
|
| Intercompany receivable |
(3,112,164)
|
(1,366,200)
|
|
|
| Total current assets |
(3,112,164)
|
(1,366,200)
|
|
|
| Property, plant and equipment, net |
0
|
0
|
|
|
| Intangible assets, net |
0
|
0
|
|
|
| Goodwill |
0
|
0
|
|
|
| Investment in wholly owned subsidiaries |
(5,008,132)
|
(4,095,880)
|
|
|
| Deferred income tax asset |
0
|
0
|
|
|
| Other long-term assets, net |
0
|
0
|
|
|
| Total assets |
(8,120,296)
|
(5,462,080)
|
|
|
| Liabilities and Partners' Equity |
|
|
|
|
| Current portion of long-term debt |
0
|
|
|
|
| Payables |
0
|
0
|
|
|
| Short-term debt |
0
|
0
|
|
|
| Accrued interest payable |
0
|
0
|
|
|
| Accrued liabilities |
0
|
0
|
|
|
| Taxes other than income tax |
0
|
0
|
|
|
| Income tax payable |
0
|
0
|
|
|
| Intercompany payable |
(3,112,164)
|
(1,366,200)
|
|
|
| Total current liabilities |
(3,112,164)
|
(1,366,200)
|
|
|
| Long-term debt, less current portion |
0
|
0
|
|
|
| Deferred income tax liability |
0
|
0
|
|
|
| Other long-term liabilities |
0
|
0
|
|
|
| Total partners’ equity |
(5,008,132)
|
(4,095,880)
|
|
|
| Total liabilities and partners' equity |
(8,120,296)
|
(5,462,080)
|
|
|
| Parent Company Guarantor [Member] | NuStar Energy | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
885
|
870
|
885
|
923
|
| Receivables, net |
0
|
0
|
|
|
| Inventories |
0
|
0
|
|
|
| Other current assets |
61
|
61
|
|
|
| Intercompany receivable |
0
|
0
|
|
|
| Total current assets |
946
|
931
|
|
|
| Property, plant and equipment, net |
0
|
0
|
|
|
| Intangible assets, net |
0
|
0
|
|
|
| Goodwill |
0
|
0
|
|
|
| Investment in wholly owned subsidiaries |
2,891,371
|
1,964,736
|
|
|
| Deferred income tax asset |
0
|
0
|
|
|
| Other long-term assets, net |
303
|
1,255
|
|
|
| Total assets |
2,892,620
|
1,966,922
|
|
|
| Liabilities and Partners' Equity |
|
|
|
|
| Current portion of long-term debt |
0
|
|
|
|
| Payables |
4,078
|
2,436
|
|
|
| Short-term debt |
0
|
0
|
|
|
| Accrued interest payable |
0
|
0
|
|
|
| Accrued liabilities |
1,105
|
1,070
|
|
|
| Taxes other than income tax |
125
|
125
|
|
|
| Income tax payable |
0
|
0
|
|
|
| Intercompany payable |
322,296
|
257,497
|
|
|
| Total current liabilities |
327,604
|
261,128
|
|
|
| Long-term debt, less current portion |
0
|
0
|
|
|
| Deferred income tax liability |
0
|
0
|
|
|
| Other long-term liabilities |
0
|
0
|
|
|
| Total partners’ equity |
2,565,016
|
1,705,794
|
|
|
| Total liabilities and partners' equity |
2,892,620
|
1,966,922
|
|
|
| Subsidiary Issuer [Member] | NuStar Logistics | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
29
|
5
|
4
|
6
|
| Receivables, net |
280
|
3,040
|
|
|
| Inventories |
1,686
|
2,216
|
|
|
| Other current assets |
11,412
|
120,350
|
|
|
| Intercompany receivable |
3,112,164
|
1,308,415
|
|
|
| Total current assets |
3,125,571
|
1,434,026
|
|
|
| Property, plant and equipment, net |
1,893,720
|
1,935,172
|
|
|
| Intangible assets, net |
58,530
|
71,033
|
|
|
| Goodwill |
149,453
|
149,453
|
|
|
| Investment in wholly owned subsidiaries |
24,162
|
34,778
|
|
|
| Deferred income tax asset |
0
|
0
|
|
|
| Other long-term assets, net |
65,684
|
63,586
|
|
|
| Total assets |
5,317,120
|
3,688,048
|
|
|
| Liabilities and Partners' Equity |
|
|
|
|
| Current portion of long-term debt |
349,990
|
|
|
|
| Payables |
27,642
|
24,272
|
|
|
| Short-term debt |
35,000
|
54,000
|
|
|
| Accrued interest payable |
40,402
|
34,008
|
|
|
| Accrued liabilities |
17,628
|
7,118
|
|
|
| Taxes other than income tax |
7,110
|
6,854
|
|
|
| Income tax payable |
732
|
1,326
|
|
|
| Intercompany payable |
0
|
0
|
|
|
| Total current liabilities |
478,504
|
127,578
|
|
|
| Long-term debt, less current portion |
3,201,220
|
2,956,338
|
|
|
| Deferred income tax liability |
1,262
|
1,862
|
|
|
| Other long-term liabilities |
58,806
|
34,358
|
|
|
| Total partners’ equity |
1,577,328
|
567,912
|
|
|
| Total liabilities and partners' equity |
5,317,120
|
3,688,048
|
|
|
| Guarantor Subsidiaries [Member] | NuPOP | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
0
|
0
|
0
|
0
|
| Receivables, net |
0
|
0
|
|
|
| Inventories |
8,611
|
2,005
|
|
|
| Other current assets |
4,191
|
1,829
|
|
|
| Intercompany receivable |
0
|
0
|
|
|
| Total current assets |
12,802
|
3,834
|
|
|
| Property, plant and equipment, net |
591,070
|
589,139
|
|
|
| Intangible assets, net |
0
|
0
|
|
|
| Goodwill |
170,652
|
170,652
|
|
|
| Investment in wholly owned subsidiaries |
1,301,717
|
1,221,717
|
|
|
| Deferred income tax asset |
0
|
0
|
|
|
| Other long-term assets, net |
27,493
|
28,587
|
|
|
| Total assets |
2,103,734
|
2,013,929
|
|
|
| Liabilities and Partners' Equity |
|
|
|
|
| Current portion of long-term debt |
0
|
|
|
|
| Payables |
13,160
|
7,124
|
|
|
| Short-term debt |
0
|
0
|
|
|
| Accrued interest payable |
0
|
0
|
|
|
| Accrued liabilities |
9,450
|
10,766
|
|
|
| Taxes other than income tax |
3,794
|
3,253
|
|
|
| Income tax payable |
4
|
5
|
|
|
| Intercompany payable |
1,277,691
|
1,108,703
|
|
|
| Total current liabilities |
1,304,099
|
1,129,851
|
|
|
| Long-term debt, less current portion |
0
|
0
|
|
|
| Deferred income tax liability |
12
|
13
|
|
|
| Other long-term liabilities |
8,861
|
9,436
|
|
|
| Total partners’ equity |
790,762
|
874,629
|
|
|
| Total liabilities and partners' equity |
2,103,734
|
2,013,929
|
|
|
| Non-Guarantor Subsidiaries | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
23,378
|
35,067
|
$ 117,973
|
$ 86,983
|
| Receivables, net |
176,495
|
167,570
|
|
|
| Inventories |
16,560
|
33,724
|
|
|
| Other current assets |
6,844
|
10,446
|
|
|
| Intercompany receivable |
0
|
57,785
|
|
|
| Total current assets |
223,277
|
304,592
|
|
|
| Property, plant and equipment, net |
1,816,143
|
1,197,972
|
|
|
| Intangible assets, net |
725,949
|
56,050
|
|
|
| Goodwill |
777,370
|
376,532
|
|
|
| Investment in wholly owned subsidiaries |
790,882
|
874,649
|
|
|
| Deferred income tax asset |
233
|
2,051
|
|
|
| Other long-term assets, net |
8,201
|
11,880
|
|
|
| Total assets |
4,342,055
|
2,823,726
|
|
|
| Liabilities and Partners' Equity |
|
|
|
|
| Current portion of long-term debt |
0
|
|
|
|
| Payables |
101,052
|
84,854
|
|
|
| Short-term debt |
0
|
0
|
|
|
| Accrued interest payable |
47
|
22
|
|
|
| Accrued liabilities |
33,395
|
41,531
|
|
|
| Taxes other than income tax |
3,356
|
5,453
|
|
|
| Income tax payable |
3,436
|
5,179
|
|
|
| Intercompany payable |
1,512,177
|
0
|
|
|
| Total current liabilities |
1,653,463
|
137,039
|
|
|
| Long-term debt, less current portion |
61,849
|
58,026
|
|
|
| Deferred income tax liability |
20,998
|
20,329
|
|
|
| Other long-term liabilities |
50,630
|
49,170
|
|
|
| Total partners’ equity |
2,555,115
|
2,559,162
|
|
|
| Total liabilities and partners' equity |
$ 4,342,055
|
$ 2,823,726
|
|
|