TREASURY UNITS (Details)				1 Months Ended	3 Months Ended
	Mar. 09, 2020	Mar. 10, 2015 shares	Aug. 20, 2007 shares	May 06, 2022 USD ($) $ / item shares	Mar. 31, 2022 USD ($) $ / item shares	Mar. 06, 2008 shares
Treasury units					59,298
Period for repurchase of depository receipts	5 years	5 years	12 months
Depository receipts authorized to be repurchased		2,000,000	300,000			1,500,000
Units required to be repurchased (in shares)					589
Total cost of repurchase | $					$ 1,337,814
Subsequent event
Number of depository receipts repurchased				9,276
Repurchase price of depository receipts (in dollars per receipt) | $ / item				82.09
Total cost of repurchase | $				$ 762,172
Cumulative amount from August 20, 2007 through the current period.
Number of depository receipts repurchased					1,448,321
Repurchase price of depository receipts (in dollars per receipt) | $ / item					29.189
Total cost of repurchase | $					$ 46,506,000
General Partnership
Treasury units					593
Fixed distribution percentage of unit holders					1.00%
Total cost of repurchase | $					$ 13,375
Value of units required to be repurchased | $					$ 13,375
Repurchases required (in units)					5.89
General Partnership | Subsequent event
Units required to be repurchased (in shares)				4
Value of units required to be repurchased | $				$ 9,518
General Partnership | Cumulative amount from August 20, 2007 through the current period.
Number of depository receipts repurchased					196
Treasury Units
Units required to be repurchased (in shares)					589
Class A
Treasury units					47,438
Fixed distribution percentage of unit holders					80.00%
Number of depository receipts repurchased					14,132
Repurchase price of depository receipts (in dollars per receipt) | $ / item					75.71
Repurchase price of units (in dollars per unit) | $ / item					2,271.30
Total cost of repurchase | $					$ 1,070,321
Class A | Cumulative amount from August 20, 2007 through the current period.
Repurchase price of units (in dollars per unit) | $ / item					875.4
Class B
Treasury units					11,267
Fixed distribution percentage of unit holders					19.00%
Total cost of repurchase | $					$ 254,118
Value of units required to be repurchased | $					$ 254,118
Repurchases required (in units)					111.88
Class B | Subsequent event
Units required to be repurchased (in shares)				73
Value of units required to be repurchased | $				$ 180,838
Class B | Cumulative amount from August 20, 2007 through the current period.
Number of depository receipts repurchased					3,729
Class B | General Partnership | Cumulative amount from August 20, 2007 through the current period.
Repurchase price of units (in dollars per unit) | $ / item					1,080.00