CONDENSED CONSOLIDATING FINANCIAL STATEMENTS Table 1 - Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
| Assets |
|
|
|
|
| Cash and cash equivalents |
$ 16,192
|
$ 11,529
|
|
|
| Receivables, net |
152,530
|
110,417
|
|
|
| Inventories |
12,393
|
8,434
|
|
|
| Prepaid and other current assets |
21,933
|
17,374
|
|
|
| Assets held for sale |
0
|
599,347
|
|
|
| Intercompany receivable |
0
|
0
|
|
|
| Total current assets |
203,048
|
747,101
|
|
|
| Property, plant and equipment, net |
4,118,979
|
3,774,802
|
|
|
| Intangible assets, net |
681,632
|
733,056
|
|
|
| Goodwill |
1,005,853
|
1,005,853
|
$ 1,008,667
|
|
| Investment in wholly owned subsidiaries |
0
|
0
|
|
|
| Other long-term assets, net |
176,480
|
88,328
|
|
|
| Total assets |
6,185,992
|
6,349,140
|
|
|
| Liabilities, Mezzanine Equity and Partners' Equity |
|
|
|
|
| Accounts payable |
109,834
|
103,122
|
|
|
| Short-term debt and current portion of finance leases |
10,046
|
18,500
|
|
|
| Current portion of long-term debt |
452,367
|
0
|
|
|
| Accrued interest payable |
37,925
|
36,293
|
|
|
| Accrued liabilities |
104,285
|
74,418
|
|
|
| Taxes other than income tax |
12,781
|
16,823
|
|
|
| Income tax payable |
4,325
|
4,445
|
|
|
| Liabilities held for sale |
0
|
69,834
|
|
|
| Intercompany payable |
0
|
0
|
|
|
| Total current liabilities |
731,563
|
323,435
|
|
|
| Long-term debt, less current portion |
2,934,918
|
3,111,996
|
|
|
| Deferred income tax liability |
12,427
|
12,428
|
|
|
| Other long-term liabilities |
148,939
|
79,558
|
|
|
| Series D preferred units |
581,935
|
563,992
|
0
|
$ 0
|
| Total partners' equity |
1,776,210
|
2,257,731
|
$ 2,480,089
|
$ 1,611,617
|
| Total liabilities, mezzanine equity and partners’ equity |
6,185,992
|
6,349,140
|
|
|
| Eliminations |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
0
|
0
|
|
|
| Receivables, net |
0
|
0
|
|
|
| Inventories |
0
|
0
|
|
|
| Prepaid and other current assets |
0
|
0
|
|
|
| Assets held for sale |
|
0
|
|
|
| Intercompany receivable |
(1,887,137)
|
(1,828,416)
|
|
|
| Total current assets |
(1,887,137)
|
(1,828,416)
|
|
|
| Property, plant and equipment, net |
0
|
0
|
|
|
| Intangible assets, net |
0
|
0
|
|
|
| Goodwill |
0
|
0
|
|
|
| Investment in wholly owned subsidiaries |
(6,261,287)
|
(7,388,660)
|
|
|
| Other long-term assets, net |
0
|
0
|
|
|
| Total assets |
(8,148,424)
|
(9,217,076)
|
|
|
| Liabilities, Mezzanine Equity and Partners' Equity |
|
|
|
|
| Accounts payable |
0
|
0
|
|
|
| Short-term debt and current portion of finance leases |
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
|
|
|
| Liabilities held for sale |
|
0
|
|
|
| Intercompany payable |
(1,887,137)
|
(1,828,416)
|
|
|
| Total current liabilities |
(1,887,137)
|
(1,828,416)
|
|
|
| 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
|
0
|
|
|
| Total partners' equity |
(6,261,287)
|
(7,388,660)
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
(8,148,424)
|
(9,217,076)
|
|
|
| Parent Company Guarantor [Member] | NuStar Energy | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
176
|
1,255
|
|
|
| Receivables, net |
0
|
0
|
|
|
| Inventories |
0
|
0
|
|
|
| Prepaid and other current assets |
61
|
61
|
|
|
| Assets held for sale |
|
0
|
|
|
| Intercompany receivable |
0
|
0
|
|
|
| Total current assets |
237
|
1,316
|
|
|
| Property, plant and equipment, net |
0
|
0
|
|
|
| Intangible assets, net |
0
|
0
|
|
|
| Goodwill |
0
|
0
|
|
|
| Investment in wholly owned subsidiaries |
2,871,540
|
3,355,636
|
|
|
| Other long-term assets, net |
98
|
304
|
|
|
| Total assets |
2,871,875
|
3,357,256
|
|
|
| Liabilities, Mezzanine Equity and Partners' Equity |
|
|
|
|
| Accounts payable |
5,427
|
6,460
|
|
|
| Short-term debt and current portion of finance leases |
0
|
0
|
|
|
| Current portion of long-term debt |
0
|
|
|
|
| Accrued interest payable |
0
|
0
|
|
|
| Accrued liabilities |
1,425
|
1,280
|
|
|
| Taxes other than income tax |
125
|
125
|
|
|
| Income tax payable |
0
|
0
|
|
|
| Liabilities held for sale |
|
0
|
|
|
| Intercompany payable |
438,857
|
472,790
|
|
|
| Total current liabilities |
445,834
|
480,655
|
|
|
| Long-term debt, less current portion |
0
|
0
|
|
|
| Deferred income tax liability |
0
|
0
|
|
|
| Other long-term liabilities |
0
|
0
|
|
|
| Series D preferred units |
581,935
|
563,992
|
|
|
| Total partners' equity |
1,844,106
|
2,312,609
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
2,871,875
|
3,357,256
|
|
|
| Subsidiary Issuer [Member] | NuStar Logistics | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
24
|
51
|
|
|
| Receivables, net |
317
|
2,212
|
|
|
| Inventories |
1,953
|
1,741
|
|
|
| Prepaid and other current assets |
16,325
|
14,422
|
|
|
| Assets held for sale |
|
0
|
|
|
| Intercompany receivable |
1,276,839
|
1,327,833
|
|
|
| Total current assets |
1,295,458
|
1,346,259
|
|
|
| Property, plant and equipment, net |
2,058,530
|
1,858,264
|
|
|
| Intangible assets, net |
39,683
|
49,107
|
|
|
| Goodwill |
149,453
|
149,453
|
|
|
| Investment in wholly owned subsidiaries |
1,743,066
|
1,750,256
|
|
|
| Other long-term assets, net |
111,362
|
54,429
|
|
|
| Total assets |
5,397,552
|
5,207,768
|
|
|
| Liabilities, Mezzanine Equity and Partners' Equity |
|
|
|
|
| Accounts payable |
42,064
|
39,680
|
|
|
| Short-term debt and current portion of finance leases |
9,722
|
18,500
|
|
|
| Current portion of long-term debt |
452,367
|
|
|
|
| Accrued interest payable |
37,888
|
36,253
|
|
|
| Accrued liabilities |
40,514
|
24,858
|
|
|
| Taxes other than income tax |
7,311
|
7,285
|
|
|
| Income tax payable |
492
|
457
|
|
|
| Liabilities held for sale |
|
0
|
|
|
| Intercompany payable |
0
|
0
|
|
|
| Total current liabilities |
590,358
|
127,033
|
|
|
| Long-term debt, less current portion |
2,871,786
|
3,050,531
|
|
|
| Deferred income tax liability |
1,499
|
1,675
|
|
|
| Other long-term liabilities |
65,577
|
28,392
|
|
|
| Series D preferred units |
0
|
0
|
|
|
| Total partners' equity |
1,868,332
|
2,000,137
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
5,397,552
|
5,207,768
|
|
|
| Guarantor Subsidiaries [Member] | NuPOP | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
0
|
0
|
|
|
| Receivables, net |
4
|
0
|
|
|
| Inventories |
4,821
|
5,237
|
|
|
| Prepaid and other current assets |
600
|
908
|
|
|
| Assets held for sale |
|
0
|
|
|
| Intercompany receivable |
0
|
0
|
|
|
| Total current assets |
5,425
|
6,145
|
|
|
| Property, plant and equipment, net |
612,128
|
615,549
|
|
|
| Intangible assets, net |
0
|
0
|
|
|
| Goodwill |
170,652
|
170,652
|
|
|
| Investment in wholly owned subsidiaries |
1,155,855
|
1,425,283
|
|
|
| Other long-term assets, net |
32,121
|
26,716
|
|
|
| Total assets |
1,976,181
|
2,244,345
|
|
|
| Liabilities, Mezzanine Equity and Partners' Equity |
|
|
|
|
| Accounts payable |
8,379
|
6,331
|
|
|
| Short-term debt and current portion of finance leases |
299
|
0
|
|
|
| Current portion of long-term debt |
0
|
|
|
|
| Accrued interest payable |
4
|
0
|
|
|
| Accrued liabilities |
8,461
|
8,082
|
|
|
| Taxes other than income tax |
5,160
|
4,718
|
|
|
| Income tax payable |
2
|
2
|
|
|
| Liabilities held for sale |
|
0
|
|
|
| Intercompany payable |
1,448,280
|
1,355,626
|
|
|
| Total current liabilities |
1,470,585
|
1,374,759
|
|
|
| Long-term debt, less current portion |
1,127
|
0
|
|
|
| Deferred income tax liability |
10
|
9
|
|
|
| Other long-term liabilities |
13,774
|
12,348
|
|
|
| Series D preferred units |
0
|
0
|
|
|
| Total partners' equity |
490,685
|
857,229
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
1,976,181
|
2,244,345
|
|
|
| Non-Guarantor Subsidiaries | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
15,992
|
10,223
|
|
|
| Receivables, net |
152,209
|
108,205
|
|
|
| Inventories |
5,619
|
1,456
|
|
|
| Prepaid and other current assets |
4,947
|
1,983
|
|
|
| Assets held for sale |
|
599,347
|
|
|
| Intercompany receivable |
610,298
|
500,583
|
|
|
| Total current assets |
789,065
|
1,221,797
|
|
|
| Property, plant and equipment, net |
1,448,321
|
1,300,989
|
|
|
| Intangible assets, net |
641,949
|
683,949
|
|
|
| Goodwill |
685,748
|
685,748
|
|
|
| Investment in wholly owned subsidiaries |
490,826
|
857,485
|
|
|
| Other long-term assets, net |
32,899
|
6,879
|
|
|
| Total assets |
4,088,808
|
4,756,847
|
|
|
| Liabilities, Mezzanine Equity and Partners' Equity |
|
|
|
|
| Accounts payable |
53,964
|
50,651
|
|
|
| Short-term debt and current portion of finance leases |
25
|
0
|
|
|
| Current portion of long-term debt |
0
|
|
|
|
| Accrued interest payable |
33
|
40
|
|
|
| Accrued liabilities |
53,885
|
40,198
|
|
|
| Taxes other than income tax |
185
|
4,695
|
|
|
| Income tax payable |
3,831
|
3,986
|
|
|
| Liabilities held for sale |
|
69,834
|
|
|
| Intercompany payable |
0
|
0
|
|
|
| Total current liabilities |
111,923
|
169,404
|
|
|
| Long-term debt, less current portion |
62,005
|
61,465
|
|
|
| Deferred income tax liability |
10,918
|
10,744
|
|
|
| Other long-term liabilities |
69,588
|
38,818
|
|
|
| Series D preferred units |
0
|
0
|
|
|
| Total partners' equity |
3,834,374
|
4,476,416
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
$ 4,088,808
|
$ 4,756,847
|
|
|