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TREASURY UNITS (Details) (USD $) | 0 Months Ended | 3 Months Ended | 67 Months Ended |  |  |  | 0 Months Ended | 3 Months Ended | 67 Months Ended |  |  | 0 Months Ended | 3 Months Ended | 67 Months Ended |  | 0 Months Ended | 3 Months Ended | 67 Months Ended |
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Aug. 08, 2008 | Aug. 20, 2007 | Mar. 31, 2013 | Mar. 31, 2013 | Mar. 06, 2008 | Jan. 30, 2008 | Jan. 15, 2008 | Sep. 17, 2008 Class A Treasury Units | Mar. 31, 2013 Class A Treasury Units | Mar. 31, 2013 Class A Treasury Units | Jan. 03, 2012 Class A Treasury Units | Aug. 20, 2007 Class A Treasury Units | Sep. 17, 2008 Class B Treasury Units | Mar. 31, 2013 Class B Treasury Units | Mar. 31, 2013 Class B Treasury Units | Mar. 31, 2013 Class B Treasury Units Harold Brown, the treasurer of the General Partner | Mar. 31, 2013 Class B Treasury Units Ronald Brown, the president of the General Partner | Sep. 17, 2008 General Partnership | Mar. 31, 2013 General Partnership | Mar. 31, 2013 General Partnership | Mar. 31, 2013 General Partnership Harold Brown, the treasurer of the General Partner | Mar. 31, 2013 General Partnership Ronald Brown, the president of the General Partner
Treasury units (in shares) |  |  | 50,185 | 50,185 |  |  |  |  | 40,148 | 40,148 |  |  |  | 9,535 | 9,535 |  |  |  | 502 | 502 |  |
Period for repurchase of depository receipts | 12 months | 12 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depository receipts authorized to be repurchased (in shares) |  | 300,000 |  |  | 1,500,000 | 900,000 | 600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units in each depository receipt |  |  |  |  |  |  |  |  |  |  | 0.03333 | 0.1 |  |  |  |  |  |  |  |  |  |
Fixed distribution percentage of unit holders |  |  |  |  |  |  |  |  | 80.00% |  |  |  |  | 19.00% |  |  |  |  | 1.00% |  |  |
Repurchase of depository receipts (in shares) |  |  |  | 1,229,636 |  |  |  |  | 9,709 | 1,229,636 |  |  |  | 77 | 1,998 |  |  |  | 4 | 105 |  |
Repurchase price of depository receipts (in dollars per share) |  |  |  | $ 24.68 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase price of units (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 740.40 |  |  |  |  | $ 627.53 |  |  |  |  | $ 627.53 |  |
Repurchase of units (in shares) |  |  | (404) |  |  |  |  |  |  |  |  |  | 6,309 |  |  |  |  | 333 |  |  |  |
Repurchase of units |  |  | $ 399,487 | $ 31,786,000 |  |  |  |  | $ 321,240 |  |  |  |  | $ 74,335 |  |  |  |  | $ 3,912 |  |  |
Issuance of treasury units (in shares) |  |  |  |  |  |  |  | 6,642 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of units owned by partners |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 75.00% | 25.00% |  |  |  | 75.00% | 25.00%

X
- Definition The number of underlying shares represented by one American Depository Receipt (ADR) or Global Depository Receipt (GDR). A value of "3" means that one ADR represents 3 underlying shares. If one underlying share represents 2 ADR's then the value would be represented as "0.5". + References No definition available. + Details
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- Definition Represents the number of depository receipts repurchased under the equity repurchase program. + References No definition available. + Details
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- Definition Represents the average price at which depository receipts are repurchased under the equity repurchase program. + References No definition available. + Details
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- Definition Represents the number of depository receipts authorized to be repurchased under the equity repurchase program. + References No definition available. + Details
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- Definition Represents the fixed distribution percentages of the holders of units based on which the entity is required to purchase the proportionate number of specific units with every purchase of depository receipts. + References No definition available. + Details
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- Definition Represents the percentage of issued and outstanding units owned by the partners. + References No definition available. + Details
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- Definition Represents the period over which the entity is permitted to purchase its depository receipts. + References No definition available. + Details
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- Definition Represents the number of treasury units outstanding as on the balance sheet date. + References No definition available. + Details
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- Definition Represents the average price at which units are repurchased under the equity repurchase program. + References No definition available. + Details
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- Definition Value of units that were previously issued and have been repurchased during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6828210&loc=d3e70191-108054 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Units that were previously issued and have been repurchased during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Units that were previously issued and then were repurchased and classified as treasury units. This element represents the number of these units which were reissued during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 + Details
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