Amount of cash distribution paid to unit-holder of limited partnership (LP).

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-Name Accounting Standards Codification

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-Section S99

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-Name Accounting Standards Codification

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-Section 50

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Date of record for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

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Date of declaration for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

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Date of distribution for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

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Per unit of ownership amount of cash distributions declared to unit-holder of a limited partnership (LP).

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PARTNERS' CAPITAL AND DISTRIBUTIONS (Detail 3) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	May 01, 2015
Distributions to unitholders
Actual cash distributions	$ 144,294	$ 124,954
LP Units
Distributions to unitholders
Actual cash distributions	145,400	125,800
LP Units \| Subsequent event
Distributions to unitholders
Actual cash distributions			$ 147,000
Distribution declaration date			May 01, 2015
Cash distributions declared			$ 1.150
Distribution date			May 18, 2015
Distribution record date			May 11, 2015