v3.19.3.a.u2
CONDENSED CONSOLIDATING FINANCIAL STATEMENTS Table 2 - Condensed Consolidating Statements of Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Condensed Financial Statements, Captions [Line Items]                      
Revenues $ 399,694 $ 378,056 $ 372,445 $ 347,826 $ 374,137 $ 380,142 $ 389,256 $ 376,727 $ 1,498,021 $ 1,520,262 $ 1,444,772
Costs and expenses                 1,107,105 1,184,534 1,154,262
Operating income (loss) 124,056 99,972 93,283 73,605 86,683 89,165 76,387 83,493 390,916 335,728 290,510
Equity in earnings (loss) of subsidiaries                 0 0 0
Interest income (expense), net                 (183,070) (184,398) (171,774)
Other income (expense), net                 3,742 5,202 (68)
Income (loss) from continuing operations before income tax expense (benefit)                 211,588 156,532 118,668
Income tax (benefit) expense                 4,754 10,157 7,773
Income (loss) from continuing operations, net of tax 78,408 52,588 46,915 28,923 42,570 43,663 26,909 33,233 206,834 146,375 110,895
Income (loss) from discontinued operations, net of tax 0 (4,777) (964) (306,786) (40,444) 4,473 2,490 92,900 (312,527) 59,419 37,069
Net income (loss) $ 78,408 $ 47,811 $ 45,951 $ (277,863) $ 2,126 $ 48,136 $ 29,399 $ 126,133 (105,693) 205,794 147,964
Eliminations                      
Condensed Financial Statements, Captions [Line Items]                      
Revenues                 (747) (705) (1,018)
Costs and expenses                 (747) (705) (1,018)
Operating income (loss)                 0 0 0
Equity in earnings (loss) of subsidiaries                 (447,037) (381,045) (276,057)
Interest income (expense), net                 0 0 0
Other income (expense), net                 0 0 0
Income (loss) from continuing operations before income tax expense (benefit)                 (447,037) (381,045) (276,057)
Income tax (benefit) expense                 0 0 0
Income (loss) from continuing operations, net of tax                 (447,037) (381,045) (276,057)
Income (loss) from discontinued operations, net of tax                 953,404 (178,257) (111,207)
Net income (loss)                 506,367 (559,302) (387,264)
Parent Company Guarantor [Member] | NuStar Energy | Reportable Legal Entities [Member]                      
Condensed Financial Statements, Captions [Line Items]                      
Revenues                 0 0 0
Costs and expenses                 2,574 2,407 1,868
Operating income (loss)                 (2,574) (2,407) (1,868)
Equity in earnings (loss) of subsidiaries                 208,995 148,554 112,706
Interest income (expense), net                 415 228 57
Other income (expense), net                 0 0 0
Income (loss) from continuing operations before income tax expense (benefit)                 206,836 146,375 110,895
Income tax (benefit) expense                 2 0 0
Income (loss) from continuing operations, net of tax                 206,834 146,375 110,895
Income (loss) from discontinued operations, net of tax                 (312,527) 59,419 37,069
Net income (loss)                 (105,693) 205,794 147,964
Subsidiary Issuer [Member] | NuStar Logistics | Reportable Legal Entities [Member]                      
Condensed Financial Statements, Captions [Line Items]                      
Revenues                 545,863 485,603 496,454
Costs and expenses                 338,291 317,286 317,871
Operating income (loss)                 207,572 168,317 178,583
Equity in earnings (loss) of subsidiaries                 42,139 17,167 (10,616)
Interest income (expense), net                 (187,337) (191,835) (176,897)
Other income (expense), net                 3,002 3,876 145
Income (loss) from continuing operations before income tax expense (benefit)                 65,376 (2,475) (8,785)
Income tax (benefit) expense                 (230) 588 (820)
Income (loss) from continuing operations, net of tax                 65,606 (3,063) (7,965)
Income (loss) from discontinued operations, net of tax                 7,912 0 0
Net income (loss)                 73,518 (3,063) (7,965)
Guarantor Subsidiaries [Member] | NuPOP | Reportable Legal Entities [Member]                      
Condensed Financial Statements, Captions [Line Items]                      
Revenues                 258,420 260,679 221,125
Costs and expenses                 159,376 163,667 146,243
Operating income (loss)                 99,044 97,012 74,882
Equity in earnings (loss) of subsidiaries                 51,537 62,494 52,336
Interest income (expense), net                 (6,961) (7,127) (5,587)
Other income (expense), net                 744 446 3
Income (loss) from continuing operations before income tax expense (benefit)                 144,364 152,825 121,634
Income tax (benefit) expense                 3 (3) 2
Income (loss) from continuing operations, net of tax                 144,361 152,828 121,632
Income (loss) from discontinued operations, net of tax                 (320,439) 59,419 37,069
Net income (loss)                 (176,078) 212,247 158,701
Non-Guarantor Subsidiaries | Reportable Legal Entities [Member]                      
Condensed Financial Statements, Captions [Line Items]                      
Revenues                 694,485 774,685 728,211
Costs and expenses                 607,611 701,879 689,298
Operating income (loss)                 86,874 72,806 38,913
Equity in earnings (loss) of subsidiaries                 144,366 152,830 121,631
Interest income (expense), net                 10,813 14,336 10,653
Other income (expense), net                 (4) 880 (216)
Income (loss) from continuing operations before income tax expense (benefit)                 242,049 240,852 170,981
Income tax (benefit) expense                 4,979 9,572 8,591
Income (loss) from continuing operations, net of tax                 237,070 231,280 162,390
Income (loss) from discontinued operations, net of tax                 (640,877) 118,838 74,138
Net income (loss)                 $ (403,807) $ 350,118 $ 236,528