Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Parent Net Investment	Noncontrolling Interests	Limited Partner Common Units	Limited Partner Subordinated Units Noble	General Partner
Capital, beginning at Dec. 31, 2018	$ 1,486,555	$ 170,322	$ 744,153	$ 699,866	$ (130,207)	$ 2,421
Increase (Decrease) in Partners' Capital
Net Income (Loss)	67,791	4,536	19,696	23,967	16,085	3,507
Contributions from Noncontrolling Interests and Parent	15,969		15,969
Distributions to Noncontrolling Interests and Parent	(11,164)	(6,495)	(4,669)
Distributions to Unitholders	(25,667)			(13,930)	(9,316)	(2,421)
Black Diamond Equity Ownership Promote Vesting	0		(6,838)	4,092	2,746
Other	470			470
Capital, ending at Mar. 31, 2019	1,533,954	168,363	768,311	714,465	(120,692)	3,507
Capital, beginning at Dec. 31, 2018	1,486,555	170,322	744,153	699,866	(130,207)	2,421
Increase (Decrease) in Partners' Capital
Net Income (Loss)	194,073
Capital, ending at Sep. 30, 2019	1,593,128	155,740	813,519	618,049	0	5,820
Capital, beginning at Mar. 31, 2019	1,533,954	168,363	768,311	714,465	(120,692)	3,507
Increase (Decrease) in Partners' Capital
Net Income (Loss)	55,763	2,565	16,789	25,487	6,282	4,640
Contributions from Noncontrolling Interests and Parent	18,141		18,141
Distributions to Noncontrolling Interests and Parent	(17,221)	(9,905)	(7,316)
Distributions to Unitholders	(27,792)			(14,534)	(9,751)	(3,507)
Black Diamond Equity Ownership Promote Vesting	0		(8,196)	8,196
Conversion of Subordinated Units to Common Units	0			(124,161)	124,161
Preferred Equity Accretion	(3,151)			(3,151)
Other	273			273
Capital, ending at Jun. 30, 2019	1,559,967	161,023	787,729	606,575	0	4,640
Increase (Decrease) in Partners' Capital
Net Income (Loss)	70,519	4,136	25,751	34,812		5,820
Contributions from Noncontrolling Interests and Parent	11,384		11,384
Distributions to Noncontrolling Interests and Parent	(15,407)	(9,419)	(5,988)
Distributions to Unitholders	(30,058)			(25,418)		(4,640)
Black Diamond Equity Ownership Promote Vesting	0		(5,357)	5,357
Preferred Equity Accretion	(3,114)			(3,114)
Other	(163)			(163)
Capital, ending at Sep. 30, 2019	1,593,128	$ 155,740	813,519	618,049	$ 0	$ 5,820
Capital, beginning at Dec. 31, 2019	1,154,856		340,857	813,999
Increase (Decrease) in Partners' Capital
Net Income (Loss)	(37,516)		(47,619)	10,103
Contributions from Noncontrolling Interests and Parent	77,966		77,966
Distributions to Noncontrolling Interests and Parent	(5,700)		(5,700)
Distributions to Unitholders	(62,114)			(62,114)
Preferred Equity Accretion	(3,276)			(3,276)
Other	433			433
Capital, ending at Mar. 31, 2020	1,124,649		365,504	759,145
Capital, beginning at Dec. 31, 2019	1,154,856		340,857	813,999
Increase (Decrease) in Partners' Capital
Net Income (Loss)	52,080
Preferred Equity Accretion	(10,100)
Capital, ending at Sep. 30, 2020	1,164,970		361,504	803,466
Capital, beginning at Mar. 31, 2020	1,124,649		365,504	759,145
Increase (Decrease) in Partners' Capital
Net Income (Loss)	50,860		2,624	48,236
Contributions from Noncontrolling Interests and Parent	3,192		3,192
Distributions to Noncontrolling Interests and Parent	(7,524)		(7,524)
Distributions to Unitholders	(16,906)			(16,906)
Preferred Equity Accretion	(3,366)			(3,366)
Other	475			475
Capital, ending at Jun. 30, 2020	1,151,380		363,796	787,584
Increase (Decrease) in Partners' Capital
Net Income (Loss)	38,736		2,952	35,784
Contributions from Noncontrolling Interests and Parent	2,736		2,736
Distributions to Noncontrolling Interests and Parent	(7,980)		(7,980)
Distributions to Unitholders	(16,953)			(16,953)
Preferred Equity Accretion	(3,458)			(3,458)
Other	509			509
Capital, ending at Sep. 30, 2020	$ 1,164,970		$ 361,504	$ 803,466