CONDENSED CONSOLIDATING FINANCIAL STATEMENTS Table 4 - Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Thousands |
12 Months Ended |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Cash flows from operating activities: |
|
|
|
| Net cash provided by (used in) operating activities |
$ 406,799
|
$ 436,761
|
$ 524,937
|
| Cash flows from investing activities: |
|
|
|
| Capital expenditures |
(384,638)
|
(204,358)
|
(324,808)
|
| Change in accounts payable related to capital expenditures |
36,903
|
(11,063)
|
(3,156)
|
| Acquisitions |
(1,461,719)
|
(95,657)
|
(142,500)
|
| Proceeds from Axeon term loan |
110,000
|
0
|
0
|
| Proceeds from insurance recoveries |
977
|
0
|
4,867
|
| Proceeds from sale or disposition of assets |
2,036
|
0
|
17,132
|
| Investment in other long-term assets |
0
|
0
|
(3,564)
|
| Investment in subsidiaries |
0
|
0
|
|
| Net cash used in investing activities |
(1,696,441)
|
(311,078)
|
(452,029)
|
| Cash flows from financing activities: |
|
|
|
| Debt borrowings |
3,060,100
|
1,406,729
|
1,683,631
|
| Debt repayments |
(2,487,539)
|
(1,456,152)
|
(1,316,910)
|
| Proceeds from issuance of preferred units, net of issuance costs |
538,560
|
218,400
|
0
|
| Proceeds from issuance of common units, net of issuance costs |
643,878
|
27,710
|
0
|
| Contributions from general partner |
13,737
|
680
|
0
|
| Distributions to preferred unitholders |
(38,833)
|
0
|
0
|
| Distributions to common unitholders and general partner |
(446,306)
|
(392,962)
|
(392,204)
|
| Contributions from (distributions to) affiliates |
0
|
0
|
|
| Net intercompany activity |
0
|
0
|
0
|
| Other, net |
(7,325)
|
(15,729)
|
(3,746)
|
| Net cash provided by (used in) financing activities |
1,276,272
|
(211,324)
|
(29,229)
|
| Effect of foreign exchange rate changes on cash |
1,720
|
2,721
|
(12,729)
|
| Net (decrease) increase in cash and cash equivalents |
(11,650)
|
(82,920)
|
30,950
|
| Cash and cash equivalents as of the beginning of the period |
35,942
|
118,862
|
87,912
|
| Cash and cash equivalents as of the end of the period |
24,292
|
35,942
|
118,862
|
| Eliminations |
|
|
|
| Cash flows from operating activities: |
|
|
|
| Net cash provided by (used in) operating activities |
(737,138)
|
(694,011)
|
(588,326)
|
| Cash flows from investing activities: |
|
|
|
| Capital expenditures |
0
|
0
|
0
|
| Change in accounts payable related to capital expenditures |
0
|
0
|
0
|
| Acquisitions |
0
|
0
|
0
|
| Proceeds from Axeon term loan |
0
|
|
|
| Proceeds from insurance recoveries |
0
|
|
0
|
| Proceeds from sale or disposition of assets |
0
|
|
0
|
| Investment in other long-term assets |
|
|
0
|
| Investment in subsidiaries |
1,262,126
|
212,900
|
|
| Net cash used in investing activities |
1,262,126
|
212,900
|
0
|
| Cash flows from financing activities: |
|
|
|
| Debt borrowings |
0
|
0
|
0
|
| Debt repayments |
0
|
0
|
0
|
| Proceeds from issuance of preferred units, net of issuance costs |
0
|
0
|
|
| Proceeds from issuance of common units, net of issuance costs |
0
|
0
|
|
| Contributions from general partner |
0
|
0
|
|
| Distributions to preferred unitholders |
58,251
|
|
|
| Distributions to common unitholders and general partner |
669,482
|
589,463
|
588,326
|
| Contributions from (distributions to) affiliates |
(1,252,721)
|
(108,352)
|
|
| Net intercompany activity |
0
|
0
|
0
|
| Other, net |
0
|
0
|
0
|
| Net cash provided by (used in) financing activities |
(524,988)
|
481,111
|
588,326
|
| Effect of foreign exchange rate changes on cash |
0
|
0
|
0
|
| Net (decrease) increase in cash and cash equivalents |
0
|
0
|
0
|
| Cash and cash equivalents as of the beginning of the period |
0
|
0
|
0
|
| Cash and cash equivalents as of the end of the period |
0
|
0
|
0
|
| Parent Company Guarantor [Member] | NuStar Energy | Reportable Legal Entities [Member] |
|
|
|
| Cash flows from operating activities: |
|
|
|
| Net cash provided by (used in) operating activities |
483,481
|
391,773
|
389,967
|
| Cash flows from investing activities: |
|
|
|
| Capital expenditures |
0
|
0
|
0
|
| Change in accounts payable related to capital expenditures |
0
|
0
|
0
|
| Acquisitions |
0
|
0
|
0
|
| Proceeds from Axeon term loan |
0
|
|
|
| Proceeds from insurance recoveries |
0
|
|
0
|
| Proceeds from sale or disposition of assets |
0
|
|
0
|
| Investment in other long-term assets |
|
|
0
|
| Investment in subsidiaries |
(1,262,000)
|
0
|
|
| Net cash used in investing activities |
(1,262,000)
|
0
|
0
|
| Cash flows from financing activities: |
|
|
|
| Debt borrowings |
0
|
0
|
0
|
| Debt repayments |
0
|
0
|
0
|
| Proceeds from issuance of preferred units, net of issuance costs |
538,560
|
218,400
|
|
| Proceeds from issuance of common units, net of issuance costs |
643,878
|
27,710
|
|
| Contributions from general partner |
13,737
|
680
|
|
| Distributions to preferred unitholders |
(38,833)
|
|
|
| Distributions to common unitholders and general partner |
(446,306)
|
(392,962)
|
(392,204)
|
| Contributions from (distributions to) affiliates |
0
|
0
|
|
| Net intercompany activity |
73,206
|
(241,131)
|
2,199
|
| Other, net |
(5,708)
|
(4,485)
|
0
|
| Net cash provided by (used in) financing activities |
778,534
|
(391,788)
|
(390,005)
|
| Effect of foreign exchange rate changes on cash |
0
|
0
|
0
|
| Net (decrease) increase in cash and cash equivalents |
15
|
(15)
|
(38)
|
| Cash and cash equivalents as of the beginning of the period |
870
|
885
|
923
|
| Cash and cash equivalents as of the end of the period |
885
|
870
|
885
|
| Subsidiary Issuer [Member] | NuStar Logistics | Reportable Legal Entities [Member] |
|
|
|
| Cash flows from operating activities: |
|
|
|
| Net cash provided by (used in) operating activities |
152,101
|
167,900
|
237,780
|
| Cash flows from investing activities: |
|
|
|
| Capital expenditures |
(47,600)
|
(64,334)
|
(201,388)
|
| Change in accounts payable related to capital expenditures |
(1,988)
|
(10,076)
|
(4,950)
|
| Acquisitions |
0
|
(95,657)
|
0
|
| Proceeds from Axeon term loan |
110,000
|
|
|
| Proceeds from insurance recoveries |
0
|
|
0
|
| Proceeds from sale or disposition of assets |
1,955
|
|
10,320
|
| Investment in other long-term assets |
|
|
0
|
| Investment in subsidiaries |
0
|
0
|
|
| Net cash used in investing activities |
62,367
|
(170,067)
|
(196,018)
|
| Cash flows from financing activities: |
|
|
|
| Debt borrowings |
2,969,400
|
1,365,529
|
1,589,131
|
| Debt repayments |
(2,400,739)
|
(1,419,852)
|
(1,275,910)
|
| Proceeds from issuance of preferred units, net of issuance costs |
0
|
0
|
|
| Proceeds from issuance of common units, net of issuance costs |
0
|
0
|
|
| Contributions from general partner |
0
|
0
|
|
| Distributions to preferred unitholders |
(19,417)
|
|
|
| Distributions to common unitholders and general partner |
(223,153)
|
(196,481)
|
(196,102)
|
| Contributions from (distributions to) affiliates |
1,262,000
|
0
|
|
| Net intercompany activity |
(1,801,218)
|
255,326
|
(155,278)
|
| Other, net |
(1,317)
|
(2,354)
|
(3,605)
|
| Net cash provided by (used in) financing activities |
(214,444)
|
2,168
|
(41,764)
|
| Effect of foreign exchange rate changes on cash |
0
|
0
|
0
|
| Net (decrease) increase in cash and cash equivalents |
24
|
1
|
(2)
|
| Cash and cash equivalents as of the beginning of the period |
5
|
4
|
6
|
| Cash and cash equivalents as of the end of the period |
29
|
5
|
4
|
| Guarantor Subsidiaries [Member] | NuPOP | Reportable Legal Entities [Member] |
|
|
|
| Cash flows from operating activities: |
|
|
|
| Net cash provided by (used in) operating activities |
102,405
|
211,816
|
119,928
|
| Cash flows from investing activities: |
|
|
|
| Capital expenditures |
(35,041)
|
(52,637)
|
(39,533)
|
| Change in accounts payable related to capital expenditures |
5,964
|
(285)
|
33
|
| Acquisitions |
0
|
0
|
0
|
| Proceeds from Axeon term loan |
0
|
|
|
| Proceeds from insurance recoveries |
0
|
|
0
|
| Proceeds from sale or disposition of assets |
18
|
|
22
|
| Investment in other long-term assets |
|
|
0
|
| Investment in subsidiaries |
0
|
(212,900)
|
|
| Net cash used in investing activities |
(29,059)
|
(265,822)
|
(39,478)
|
| Cash flows from financing activities: |
|
|
|
| Debt borrowings |
0
|
0
|
0
|
| Debt repayments |
0
|
0
|
0
|
| Proceeds from issuance of preferred units, net of issuance costs |
0
|
0
|
|
| Proceeds from issuance of common units, net of issuance costs |
0
|
0
|
|
| Contributions from general partner |
0
|
0
|
|
| Distributions to preferred unitholders |
(19,416)
|
|
|
| Distributions to common unitholders and general partner |
(223,153)
|
(196,481)
|
(196,102)
|
| Contributions from (distributions to) affiliates |
0
|
0
|
|
| Net intercompany activity |
169,223
|
250,487
|
115,652
|
| Other, net |
0
|
0
|
0
|
| Net cash provided by (used in) financing activities |
(73,346)
|
54,006
|
(80,450)
|
| Effect of foreign exchange rate changes on cash |
0
|
0
|
0
|
| Net (decrease) increase in cash and cash equivalents |
0
|
0
|
0
|
| Cash and cash equivalents as of the beginning of the period |
0
|
0
|
0
|
| Cash and cash equivalents as of the end of the period |
0
|
0
|
0
|
| Non-Guarantor Subsidiaries | Reportable Legal Entities [Member] |
|
|
|
| Cash flows from operating activities: |
|
|
|
| Net cash provided by (used in) operating activities |
405,950
|
359,283
|
365,588
|
| Cash flows from investing activities: |
|
|
|
| Capital expenditures |
(301,997)
|
(87,387)
|
(83,887)
|
| Change in accounts payable related to capital expenditures |
32,927
|
(702)
|
1,761
|
| Acquisitions |
(1,461,719)
|
0
|
(142,500)
|
| Proceeds from Axeon term loan |
0
|
|
|
| Proceeds from insurance recoveries |
977
|
|
4,867
|
| Proceeds from sale or disposition of assets |
63
|
|
6,790
|
| Investment in other long-term assets |
|
|
(3,564)
|
| Investment in subsidiaries |
(126)
|
0
|
|
| Net cash used in investing activities |
(1,729,875)
|
(88,089)
|
(216,533)
|
| Cash flows from financing activities: |
|
|
|
| Debt borrowings |
90,700
|
41,200
|
94,500
|
| Debt repayments |
(86,800)
|
(36,300)
|
(41,000)
|
| Proceeds from issuance of preferred units, net of issuance costs |
0
|
0
|
|
| Proceeds from issuance of common units, net of issuance costs |
0
|
0
|
|
| Contributions from general partner |
0
|
0
|
|
| Distributions to preferred unitholders |
(19,418)
|
|
|
| Distributions to common unitholders and general partner |
(223,176)
|
(196,501)
|
(196,122)
|
| Contributions from (distributions to) affiliates |
(9,279)
|
108,352
|
|
| Net intercompany activity |
1,558,789
|
(264,682)
|
37,427
|
| Other, net |
(300)
|
(8,890)
|
(141)
|
| Net cash provided by (used in) financing activities |
1,310,516
|
(356,821)
|
(105,336)
|
| Effect of foreign exchange rate changes on cash |
1,720
|
2,721
|
(12,729)
|
| Net (decrease) increase in cash and cash equivalents |
(11,689)
|
(82,906)
|
30,990
|
| Cash and cash equivalents as of the beginning of the period |
35,067
|
117,973
|
86,983
|
| Cash and cash equivalents as of the end of the period |
$ 23,378
|
$ 35,067
|
$ 117,973
|