Note 5 -Assets Held for Sale and Real Estate - Assets Held for Sale (Details) (Parentheticals) - a	Mar. 31, 2017	Dec. 31, 2016
630-Acre Parcel Of Agricultural Land [Member] | Upcountry Maui [Member]
Area of Real Estate (Acre)	630	630
Kapalua Resort, Golf Practice Course [Member] | West Maui [Member]
Area of Real Estate (Acre)	15	15
Agricultural Land and Wastewater Treatment Facility [Member] | Upcountry Maui [Member]
Area of Real Estate (Acre)	80	80