CONDENSED CONSOLIDATING FINANCIAL STATEMENTS Table 1 - Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Thousands |
Mar. 31, 2020 |
Dec. 31, 2019 |
Mar. 31, 2019 |
Dec. 31, 2018 |
| Assets |
|
|
|
|
| Cash and cash equivalents |
$ 17,694
|
$ 16,192
|
|
|
| Receivables, net |
144,667
|
152,530
|
|
|
| Inventories |
10,720
|
12,393
|
|
|
| Prepaid and other current assets |
14,775
|
21,933
|
|
|
| Intercompany receivable |
0
|
0
|
|
|
| Total current assets |
187,856
|
203,048
|
|
|
| Property, plant and equipment, net |
4,105,641
|
4,118,979
|
|
|
| Intangible assets, net |
668,776
|
681,632
|
|
|
| Goodwill |
780,853
|
1,005,853
|
|
|
| Investment in wholly owned subsidiaries |
0
|
0
|
|
|
| Other long-term assets, net |
134,694
|
176,480
|
|
|
| Total assets |
5,877,820
|
6,185,992
|
|
|
| Liabilities, Mezzanine Equity and Partners’ Equity |
|
|
|
|
| Accounts payable |
74,032
|
109,834
|
|
|
| Short-term debt and current portion of finance leases |
14,869
|
10,046
|
|
|
| Current portion of long-term debt |
0
|
452,367
|
|
|
| Accrued interest payable |
40,605
|
37,925
|
|
|
| Accrued liabilities |
104,177
|
104,285
|
|
|
| Taxes other than income tax |
8,729
|
12,781
|
|
|
| Income tax payable |
5,450
|
4,325
|
|
|
| Intercompany payable |
0
|
0
|
|
|
| Total current liabilities |
247,862
|
731,563
|
|
|
| Long-term debt, less current portion |
3,374,747
|
2,934,918
|
|
|
| Deferred income tax liability |
10,673
|
12,427
|
|
|
| Other long-term liabilities |
149,887
|
148,939
|
|
|
| Series D preferred units |
586,837
|
581,935
|
$ 568,293
|
$ 563,992
|
| Total partners' equity |
1,507,814
|
1,776,210
|
$ 1,888,677
|
$ 2,257,731
|
| Total liabilities, mezzanine equity and partners’ equity |
5,877,820
|
6,185,992
|
|
|
| Eliminations [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
0
|
0
|
|
|
| Receivables, net |
(4,504)
|
0
|
|
|
| Inventories |
0
|
0
|
|
|
| Prepaid and other current assets |
0
|
0
|
|
|
| Intercompany receivable |
(1,659,548)
|
(1,887,137)
|
|
|
| Total current assets |
(1,664,052)
|
(1,887,137)
|
|
|
| Property, plant and equipment, net |
0
|
0
|
|
|
| Intangible assets, net |
0
|
0
|
|
|
| Goodwill |
0
|
0
|
|
|
| Investment in wholly owned subsidiaries |
(5,680,973)
|
(6,261,287)
|
|
|
| Other long-term assets, net |
0
|
0
|
|
|
| Total assets |
(7,345,025)
|
(8,148,424)
|
|
|
| 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 |
(4,504)
|
0
|
|
|
| Income tax payable |
0
|
0
|
|
|
| Intercompany payable |
(1,659,548)
|
(1,887,137)
|
|
|
| Total current liabilities |
(1,664,052)
|
(1,887,137)
|
|
|
| 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 |
(5,680,973)
|
(6,261,287)
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
(7,345,025)
|
(8,148,424)
|
|
|
| Parent Company Guarantor [Member] | NuStar Energy | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
251
|
176
|
|
|
| Receivables, net |
0
|
0
|
|
|
| Inventories |
0
|
0
|
|
|
| Prepaid and other current assets |
216
|
61
|
|
|
| Intercompany receivable |
0
|
0
|
|
|
| Total current assets |
467
|
237
|
|
|
| Property, plant and equipment, net |
0
|
0
|
|
|
| Intangible assets, net |
0
|
0
|
|
|
| Goodwill |
0
|
0
|
|
|
| Investment in wholly owned subsidiaries |
2,628,960
|
2,871,540
|
|
|
| Other long-term assets, net |
103
|
98
|
|
|
| Total assets |
2,629,530
|
2,871,875
|
|
|
| Liabilities, Mezzanine Equity and Partners’ Equity |
|
|
|
|
| Accounts payable |
5,817
|
5,427
|
|
|
| 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 |
1,054
|
1,425
|
|
|
| Taxes other than income tax |
0
|
125
|
|
|
| Income tax payable |
0
|
0
|
|
|
| Intercompany payable |
423,799
|
438,857
|
|
|
| Total current liabilities |
430,670
|
445,834
|
|
|
| Long-term debt, less current portion |
0
|
0
|
|
|
| Deferred income tax liability |
0
|
0
|
|
|
| Other long-term liabilities |
0
|
0
|
|
|
| Series D preferred units |
586,837
|
581,935
|
|
|
| Total partners' equity |
1,612,023
|
1,844,106
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
2,629,530
|
2,871,875
|
|
|
| Subsidiary Issuer [Member] | NuStar Logistics | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
1,666
|
24
|
|
|
| Receivables, net |
29
|
317
|
|
|
| Inventories |
2,033
|
1,953
|
|
|
| Prepaid and other current assets |
10,331
|
16,325
|
|
|
| Intercompany receivable |
1,284,697
|
1,276,839
|
|
|
| Total current assets |
1,298,756
|
1,295,458
|
|
|
| Property, plant and equipment, net |
2,045,134
|
2,058,530
|
|
|
| Intangible assets, net |
37,327
|
39,683
|
|
|
| Goodwill |
50,453
|
149,453
|
|
|
| Investment in wholly owned subsidiaries |
1,624,851
|
1,743,066
|
|
|
| Other long-term assets, net |
70,845
|
111,362
|
|
|
| Total assets |
5,127,366
|
5,397,552
|
|
|
| Liabilities, Mezzanine Equity and Partners’ Equity |
|
|
|
|
| Accounts payable |
22,459
|
42,064
|
|
|
| Short-term debt and current portion of finance leases |
14,366
|
9,722
|
|
|
| Current portion of long-term debt |
|
452,367
|
|
|
| Accrued interest payable |
40,569
|
37,888
|
|
|
| Accrued liabilities |
71,282
|
40,514
|
|
|
| Taxes other than income tax |
4,531
|
7,311
|
|
|
| Income tax payable |
621
|
492
|
|
|
| Intercompany payable |
0
|
0
|
|
|
| Total current liabilities |
153,828
|
590,358
|
|
|
| Long-term debt, less current portion |
3,305,258
|
2,871,786
|
|
|
| Deferred income tax liability |
1,499
|
1,499
|
|
|
| Other long-term liabilities |
63,851
|
65,577
|
|
|
| Series D preferred units |
0
|
0
|
|
|
| Total partners' equity |
1,602,930
|
1,868,332
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
5,127,366
|
5,397,552
|
|
|
| Guarantor Subsidiaries [Member] | NuPOP | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
0
|
0
|
|
|
| Receivables, net |
0
|
4
|
|
|
| Inventories |
4,919
|
4,821
|
|
|
| Prepaid and other current assets |
634
|
600
|
|
|
| Intercompany receivable |
0
|
0
|
|
|
| Total current assets |
5,553
|
5,425
|
|
|
| Property, plant and equipment, net |
605,311
|
612,128
|
|
|
| Intangible assets, net |
0
|
0
|
|
|
| Goodwill |
170,652
|
170,652
|
|
|
| Investment in wholly owned subsidiaries |
942,556
|
1,155,855
|
|
|
| Other long-term assets, net |
32,329
|
32,121
|
|
|
| Total assets |
1,756,401
|
1,976,181
|
|
|
| Liabilities, Mezzanine Equity and Partners’ Equity |
|
|
|
|
| Accounts payable |
6,300
|
8,379
|
|
|
| Short-term debt and current portion of finance leases |
426
|
299
|
|
|
| Current portion of long-term debt |
|
0
|
|
|
| Accrued interest payable |
6
|
4
|
|
|
| Accrued liabilities |
8,266
|
8,461
|
|
|
| Taxes other than income tax |
6,337
|
5,160
|
|
|
| Income tax payable |
2
|
2
|
|
|
| Intercompany payable |
1,235,749
|
1,448,280
|
|
|
| Total current liabilities |
1,257,086
|
1,470,585
|
|
|
| Long-term debt, less current portion |
1,688
|
1,127
|
|
|
| Deferred income tax liability |
10
|
10
|
|
|
| Other long-term liabilities |
13,128
|
13,774
|
|
|
| Series D preferred units |
0
|
0
|
|
|
| Total partners' equity |
484,489
|
490,685
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
1,756,401
|
1,976,181
|
|
|
| Non-Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member] |
|
|
|
|
| Assets |
|
|
|
|
| Cash and cash equivalents |
15,777
|
15,992
|
|
|
| Receivables, net |
149,142
|
152,209
|
|
|
| Inventories |
3,768
|
5,619
|
|
|
| Prepaid and other current assets |
3,594
|
4,947
|
|
|
| Intercompany receivable |
374,851
|
610,298
|
|
|
| Total current assets |
547,132
|
789,065
|
|
|
| Property, plant and equipment, net |
1,455,196
|
1,448,321
|
|
|
| Intangible assets, net |
631,449
|
641,949
|
|
|
| Goodwill |
559,748
|
685,748
|
|
|
| Investment in wholly owned subsidiaries |
484,606
|
490,826
|
|
|
| Other long-term assets, net |
31,417
|
32,899
|
|
|
| Total assets |
3,709,548
|
4,088,808
|
|
|
| Liabilities, Mezzanine Equity and Partners’ Equity |
|
|
|
|
| Accounts payable |
39,456
|
53,964
|
|
|
| Short-term debt and current portion of finance leases |
77
|
25
|
|
|
| Current portion of long-term debt |
|
0
|
|
|
| Accrued interest payable |
30
|
33
|
|
|
| Accrued liabilities |
23,575
|
53,885
|
|
|
| Taxes other than income tax |
2,365
|
185
|
|
|
| Income tax payable |
4,827
|
3,831
|
|
|
| Intercompany payable |
0
|
0
|
|
|
| Total current liabilities |
70,330
|
111,923
|
|
|
| Long-term debt, less current portion |
67,801
|
62,005
|
|
|
| Deferred income tax liability |
9,164
|
10,918
|
|
|
| Other long-term liabilities |
72,908
|
69,588
|
|
|
| Series D preferred units |
0
|
0
|
|
|
| Total partners' equity |
3,489,345
|
3,834,374
|
|
|
| Total liabilities, mezzanine equity and partners’ equity |
$ 3,709,548
|
$ 4,088,808
|
|
|