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Note 3 - Assets Held for Sale - Assets Held for Sale (Details) (Parentheticals) - a	Dec. 31, 2022	Feb. 01, 2022
Kapalua Central Resort Project [Member] | Kapalua Resort [Member]
Area of real estate (Acre)	46
630-Acre Parcel Of Agricultural Land [Member] | Upcountry Maui [Member]
Area of real estate (Acre)	646	646

X

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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Balance Type:
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X

- Details

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Period Type: