Income Taxes (Company's Actual Benefit For Income Taxes From Continuing Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Abstract]
Income tax benefit at expected federal income tax rate of 35%	$ 421	$ 16,688	$ (16,527)
Income tax benefit at expected federal income tax rate of 35%, rate	35.00%	35.00%	35.00%
Provision (benefit) for state taxes net of federal benefit	(369)	2,003	(1,738)
Provision (benefit) for state taxes net of federal benefit, rate	(30.67%)	4.20%	3.68%
Taxes related to subsidiaries not consolidated for income taxes	(6,963)	(6,054)
Taxes related to subsidiaries not consolidated for income taxes, percent	(578.80%)	(12.70%)	0.00%
Taxes related to sale of entity		5,884bbx_TaxesRelatedToSaleOfEntity
Taxes related to sale of entity, percent	0.00%bbx_TaxesRelatedToSaleOfEntityPercent	12.34%bbx_TaxesRelatedToSaleOfEntityPercent	0.00%bbx_TaxesRelatedToSaleOfEntityPercent
Nondeductible executive compensation	1,883	2,223
Nondeductible executive compensation, percent	156.52%	4.66%	0.00%
Valuation allowance	1,407	(22,584)
Valuation allowance, rate	116.96%	(47.36%)	0.00%
Acquisition related costs	217	38
Acquisition related costs, percent	18.04%	0.08%	0.00%
Penalties	350bbx_IncomeTaxReconciliationPenalities
Penalties, percent	29.09%	0.00%	0.00%
Other - net	(47)	1,822	(479)
Other - net, rate	(3.91%)	3.82%	1.01%
Total provision (benefit) for income taxes	$ (3,101)us-gaap_IncomeTaxExpenseBenefit	$ 20us-gaap_IncomeTaxExpenseBenefit	$ (18,744)us-gaap_IncomeTaxExpenseBenefit
Provision (benefit) for income taxes	(257.77%)	0.04%	39.69%

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