OPERATIONS AND OWNERSHIP (Details) (USD $)	0 Months Ended	3 Months Ended												12 Months Ended
	Jan. 06, 2005	Dec. 31, 2012 item acre	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2012 item acre	Dec. 31, 2011	Dec. 31, 2010
OPERATIONS AND OWNERSHIP
Area of orchards owned or leased by the entity		5,070												5,070
Area of macadamia orchards in Hawaii farmed by the entity for other orchard owners														1,100
Number of retail product lines														2
Number of stores in Hawaii and the western United States expected to have the Partnership's branded products by the end of 2013		5,000												5,000
Ownership percentage by limited partners	99.00%													100.00%
Ownership percentage by the Managing General Partner	1.00%
Cash paid to purchase the stock of MLR accounted for as an asset purchase	$ 750,000
General partner units outstanding (in shares)	75,757
Net loss recorded during the period		10,000	296,000	(797,000)	(8,000)	559,000	38,000	66,000	49,000	(1,036,000)	(308,000)	(118,000)	(25,000)	(499,000)	712,000	(1,487,000)
Operating cash flow generated during the period														1,361,000	2,325,000	(212,000)
Working capital		2,000,000				1,400,000				(534,000)				2,000,000	1,400,000	(534,000)
Increase in operating expenses and cash paid for Royal's inventory and development costs														$ 2,000,000