v3.19.3.a.u2

CONDENSED CONSOLIDATING FINANCIAL STATEMENTS Table 3 - Condensed Consolidating Statements of Comprehensive 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]
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
Other comprehensive income (loss):
Foreign currency translation adjustment									3,527	4,304	17,466
Net (loss) gain on pension and other postretirement benefit adjustments, net of tax benefit (expense)									(1,314)	2,334	(6,170)
Net (loss) gain on cash flow hedges									(15,231)	23,411	(2,046)
Total other comprehensive income (loss)									(13,018)	30,049	9,250
Comprehensive income (loss)									(118,711)	235,843	157,214
Eliminations
Condensed Financial Statements, Captions [Line Items]
Net income (loss)									506,367	(559,302)	(387,264)
Other comprehensive income (loss):
Foreign currency translation adjustment									0	0	0
Net (loss) gain on pension and other postretirement benefit adjustments, net of tax benefit (expense)									0	0	0
Net (loss) gain on cash flow hedges									0	0	0
Total other comprehensive income (loss)									0	0	0
Comprehensive income (loss)									506,367	(559,302)	(387,264)
Parent Company Guarantor [Member] | NuStar Energy | Reportable Legal Entities [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)									(105,693)	205,794	147,964
Other comprehensive income (loss):
Foreign currency translation adjustment									0	0	0
Net (loss) gain on pension and other postretirement benefit adjustments, net of tax benefit (expense)									0	0	0
Net (loss) gain on cash flow hedges									0	0	0
Total other comprehensive income (loss)									0	0	0
Comprehensive income (loss)									(105,693)	205,794	147,964
Subsidiary Issuer [Member] | NuStar Logistics | Reportable Legal Entities [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)									73,518	(3,063)	(7,965)
Other comprehensive income (loss):
Foreign currency translation adjustment									0	0	0
Net (loss) gain on pension and other postretirement benefit adjustments, net of tax benefit (expense)									0	0	0
Net (loss) gain on cash flow hedges									(15,231)	23,411	(2,046)
Total other comprehensive income (loss)									(15,231)	23,411	(2,046)
Comprehensive income (loss)									58,287	20,348	(10,011)
Guarantor Subsidiaries [Member] | NuPOP | Reportable Legal Entities [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)									(176,078)	212,247	158,701
Other comprehensive income (loss):
Foreign currency translation adjustment									0	0	0
Net (loss) gain on pension and other postretirement benefit adjustments, net of tax benefit (expense)									0	0	0
Net (loss) gain on cash flow hedges									0	0	0
Total other comprehensive income (loss)									0	0	0
Comprehensive income (loss)									(176,078)	212,247	158,701
Non-Guarantor Subsidiaries | Reportable Legal Entities [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)									(403,807)	350,118	236,528
Other comprehensive income (loss):
Foreign currency translation adjustment									3,527	4,304	17,466
Net (loss) gain on pension and other postretirement benefit adjustments, net of tax benefit (expense)									(1,314)	2,334	(6,170)
Net (loss) gain on cash flow hedges									0	0	0
Total other comprehensive income (loss)									2,213	6,638	11,296
Comprehensive income (loss)									$ (401,594)	$ 356,756	$ 247,824

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