Commitments and Contingencies (Details) (USD $)	3 Months Ended								3 Months Ended		1 Months Ended	3 Months Ended	0 Months Ended	3 Months Ended
	Mar. 31, 2013 Bay Holdings	Mar. 31, 2012 Bay Holdings	Mar. 31, 2013 Amenities	Mar. 31, 2013 Amenities Kapalua Bay	Mar. 31, 2012 Amenities Kapalua Bay	Mar. 31, 2013 Amenities Kapalua Bay Bay Holdings	Mar. 31, 2012 Amenities Kapalua Bay Bay Holdings	Dec. 31, 2010 Amenities Kapalua Bay Bay Holdings	Mar. 31, 2013 Lawsuit by EEOC	Mar. 31, 2013 Settlement agreement with County of Maui	Jun. 30, 2012 Lawsuit relating to Ritz-Carlton Club and Residences, Kapalua Bay item	Mar. 31, 2013 Lawsuit relating to Ritz-Carlton Club and Residences, Kapalua Bay	May 23, 2011 Lawsuit pertaining to sale of residential units at the Ritz-Carlton Residences Kapalua Bay item	Mar. 31, 2013 Lawsuit pertaining to sale of residential units at the Ritz-Carlton Residences Kapalua Bay
Commitments and Contingencies
Provision for probable liability				$ 0					$ 0			$ 0		$ 0
Percentage of capital costs to install filtration systems in water wells if the presence of DBCP exceeds specified levels, and for the ongoing maintenance and operating cost for filtration systems										90.00%
Liability recorded for estimated share of cost to operate and maintain the filtration systems for the existing wells, and share of the cost of a letter of credit used to secure obligations										83,000
Purchase of amenities at actual construction cost			35,000,000	35,000,000
Impairment charges								23,000,000
Loss from the operations of the amenities	$ 12,319,000	$ 6,792,000		$ 57,500	$ 125,200	$ (57,500)	$ (125,200)
Number of whole-ownership units owned by group of owners who filed lawsuit against multiple parties											12
Number of residential units sold to plaintiffs													2