VOI Inventory (Summary Of Inventory) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
VOI Inventory [Abstract]
Completed VOI units	$ 274,622	$ 269,847
Construction-in-progress		3,946
Real estate held for future VOI development	75,648	73,144
Total VOI inventory	$ 350,270	$ 346,937

Amount of real estate which is available for sale in the form of shared property ownership in which rights vest in several owners (buyers, timeshare holders) to use the property for a specified period each year (timeshare). Included in this item would be real estate assets in which timeshares are for sale, such as in condominiums at timeshare resorts. Excluded from this item would be assets, other than real estate, in which the Entity has sold or intends to sell timeshares, such as for cruises, recreational vehicles, campgrounds, aircraft (fractional ownership) and other types of rights.

No definition available.

Name:	bbx_VacationOwnershipInterestVoiAvailableForSale
Namespace Prefix:	bbx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant