Discontinued Operations (Cash Consideration Received Upon The Consummation Of The Transaction) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Jul. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Deposit premium			$ 315,900,000
BankAtlantic stockholder's equity before distribution	309,788,000	302,382,000	280,058,000
Cash consideration			6,433,000
Cash consideration received upon the consummation of the transaction			983,000
BBX Capital [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net asset value			(309,467,000)	[1]
Florida Asset Resolution Group, LLC [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Distributions			(384,140,000)
Small Business Loans		10,700,000
BBX Capital Asset Management, LLC [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Distributions			(205,385,000)
Commercial loans		$ 7,500,000

[1] BankAtlantic net asset value was calculated as of June 30, 2012 (which pursuant to the terms of the Agreement with BB&T was the date used for the calculations of the cash consideration payable upon consummation of the BB&T Transaction) after giving effect to the contribution to BankAtlantic of small business loans with a carrying value of $10.7 million in exchange for commercial loans with a carrying value of $7.5 million which were initially designated to be contributed to BankAtlantic and were instead retained by FAR.