Note 5 - Assets Held for Sale - Assets Held for Sale (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Assets held for sale	$ 3,134	$ 7,440
Kapalua Central Resort Project [Member] | Kapalua Resort [Member]
Assets held for sale	2,978	2,978
630-Acre Parcel Of Agricultural Land [Member] | Upcountry Maui [Member]
Assets held for sale	156	156
Kapalua Water Company and Kapalua Waste Treatment Company [Member] | Kapalua Resort [Member]
Assets held for sale	$ 0	$ 4,306