v3.10.0.1

PARTNERS' EQUITY Table 5 - Cash Distributions - Preferred Units (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				9 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2018
Series A Preferred Limited Partner [Member]
Distribution Made to Limited Partner [Line Items]
Preferred units distribution percentage					8.50%
Preferred unit distribution paid		$ 0.53125	$ 0.53125	$ 0.53125
Cash distributions applicable to preferred limited partners		$ 4,813	$ 4,813	$ 4,813
Distribution date of record		Sep. 04, 2018	Jun. 01, 2018	Mar. 01, 2018
Distribution payment date		Sep. 17, 2018	Jun. 15, 2018	Mar. 15, 2018
Series B Preferred Limited Partner [Member]
Distribution Made to Limited Partner [Line Items]
Preferred units distribution percentage					7.625%
Preferred unit distribution paid		$ 0.47657	$ 0.47657	$ 0.47657
Cash distributions applicable to preferred limited partners		$ 7,339	$ 7,339	$ 7,339
Distribution date of record		Sep. 04, 2018	Jun. 01, 2018	Mar. 01, 2018
Distribution payment date		Sep. 17, 2018	Jun. 15, 2018	Mar. 15, 2018
Series C Preferred Limited Partner [Member]
Distribution Made to Limited Partner [Line Items]
Preferred units distribution percentage					9.00%
Preferred unit distribution paid		$ 0.5625	$ 0.56250	$ 0.65625
Cash distributions applicable to preferred limited partners		$ 3,881	$ 3,881	$ 4,528
Distribution date of record		Sep. 04, 2018	Jun. 01, 2018	Mar. 01, 2018
Distribution payment date		Sep. 17, 2018	Jun. 15, 2018	Mar. 15, 2018
Subsequent Event [Member] | Series A Preferred Limited Partner [Member]
Distribution Made to Limited Partner [Line Items]
Preferred unit distribution declared	$ 0.53125
Cash distributions applicable to preferred limited partners	$ 4,813
Distribution date of record	Dec. 03, 2018
Distribution payment date	Dec. 17, 2018
Subsequent Event [Member] | Series B Preferred Limited Partner [Member]
Distribution Made to Limited Partner [Line Items]
Preferred unit distribution declared	$ 0.47657
Cash distributions applicable to preferred limited partners	$ 7,339
Distribution date of record	Dec. 03, 2018
Distribution payment date	Dec. 17, 2018
Subsequent Event [Member] | Series C Preferred Limited Partner [Member]
Distribution Made to Limited Partner [Line Items]
Preferred unit distribution declared	$ 0.5625
Cash distributions applicable to preferred limited partners	$ 3,881
Distribution date of record	Dec. 03, 2018
Distribution payment date	Dec. 17, 2018

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