Segment Reporting (Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019		Dec. 31, 2019	[1]	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenue from customers	$ 182,243	$ 193,775
Interest income	21,316	21,415	[1]
Net (losses) gains on sales of real estate assets	(47)	1,332	[1]
Other revenue	574	830	[1]
Total revenues	204,086	217,352	[1]
Interest expense	9,833	11,148	[1]
Recoveries from loan losses, net	(3,512)	(961)	[1]
Impairment losses	28,283	618	[1]
Selling, general and administrative expenses	126,853	121,993	[1]
Total costs and expenses	241,791	211,491	[1]
Equity in net earnings (losses) of unconsolidated real estate joint ventures	551	(17)	[1]
Other income (expense)	231	513	[1]
Foreign exchange gain	278	5	[1]
(Loss) income before income taxes	(36,645)	6,362	[1]
Total assets	1,776,496	1,760,676		$ 1,790,971
Expenditures for property and equipment	6,549	9,693
Depreciation and amortization	5,766	5,513
Debt accretion and amortization	1,136	1,362
Cash and cash equivalents	397,518	296,317		356,604
Equity method investments	59,373	67,382		57,330
Goodwill	14,864	37,248		37,248		$ 37,248
Receivable-backed notes payable	419,697	437,927
Notes payable and other borrowings	265,689	169,041		188,731
Junior subordinated debentures	137,476	136,623		$ 137,254
Corporate Expenses & Other [Member]
Segment Reporting Information [Line Items]
Total revenues	2,359	4,994
Interest expense	3	1
Impairment losses	3,575	618
Selling, general and administrative expenses	1,743	3,933
Total costs and expenses	6,056	6,337
Other income (expense)		6
(Loss) income before income taxes	(3,697)	(1,337)
Total assets	6,294	31,631
Expenditures for property and equipment	31	776
Depreciation and amortization	25	286
Cash and cash equivalents	587	7,327
Goodwill		1,727
Eliminations [Member]
Segment Reporting Information [Line Items]
Total revenues	(930)	(1,162)
Interest expense	837	1,457
Selling, general and administrative expenses	8,059	12,106
Total costs and expenses	8,888	13,554
Other income (expense)	62	47
(Loss) income before income taxes	(9,756)	(14,669)
Total assets	67,287	16,879
Expenditures for property and equipment	35	26
Depreciation and amortization	103	112
Debt accretion and amortization	55	90
Cash and cash equivalents	138,319	75,358
Junior subordinated debentures	65,191	65,119
Bluegreen [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	156,793	165,563
Interest expense	8,818	9,506
Selling, general and administrative expenses	101,197	90,214
Total costs and expenses	155,945	143,480
Other income (expense)	133	89
(Loss) income before income taxes	981	22,172
Total assets	1,386,451	1,347,093
Expenditures for property and equipment	2,966	7,507
Depreciation and amortization	3,899	3,365
Debt accretion and amortization	894	1,121
Cash and cash equivalents	241,525	189,875
Receivable-backed notes payable	419,697	437,927
Notes payable and other borrowings	223,785	125,436
Junior subordinated debentures	72,285	71,504
BBX Capital Real Estate [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	6,956	6,454
Recoveries from loan losses, net	(3,512)	(961)
Selling, general and administrative expenses	2,336	2,494
Total costs and expenses	3,456	4,176
Equity in net earnings (losses) of unconsolidated real estate joint ventures	551	(17)
Other income (expense)		162
(Loss) income before income taxes	4,051	2,423
Total assets	141,138	175,195
Expenditures for property and equipment		3
Depreciation and amortization		93
Debt accretion and amortization	95	86
Cash and cash equivalents	10,132	18,846
Equity method investments	59,373	67,382
Notes payable and other borrowings	25,651	31,959
Renin [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	17,446	19,343
Interest expense	114	140
Selling, general and administrative expenses	2,618	3,035
Total costs and expenses	17,007	18,292
Other income (expense)	(3)
Foreign exchange gain	278	5
(Loss) income before income taxes	714	1,056
Total assets	35,477	34,856
Expenditures for property and equipment	391	115
Depreciation and amortization	306	298
Debt accretion and amortization	37	8
Cash and cash equivalents	3,876
Notes payable and other borrowings	10,504	8,059
IT'SUGAR, LLC [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	21,462	22,160
Interest expense	61	44
Impairment losses	24,708
Selling, general and administrative expenses	10,900	10,211
Total costs and expenses	50,439	25,652
Other income (expense)	39	209
(Loss) income before income taxes	(28,938)	(3,283)
Total assets	139,849	155,022
Expenditures for property and equipment	3,126	1,266
Depreciation and amortization	1,433	1,359
Debt accretion and amortization	55	57
Cash and cash equivalents	3,079	4,911
Goodwill	14,864	35,521
Notes payable and other borrowings	5,749	3,587
Sales Of VOIs [Member]
Segment Reporting Information [Line Items]
Revenue from customers	45,128	51,731	[1]
Total costs	4,099	3,848	[1]
Sales Of VOIs [Member] | Bluegreen [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	45,128	51,731
Total costs	4,099	3,848
Fee-Based Sales Commissions [Member]
Segment Reporting Information [Line Items]
Revenue from customers	41,365	45,212	[1]
Fee-Based Sales Commissions [Member] | Bluegreen [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	41,365	45,212
Other Fee-Based Services [Member]
Segment Reporting Information [Line Items]
Revenue from customers	29,314	29,568	[1]
Total costs	22,711	22,868	[1]
Other Fee-Based Services [Member] | Bluegreen [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	29,314	29,568
Total costs	22,711	22,868
Cost Reimbursements [Member]
Segment Reporting Information [Line Items]
Revenue from customers	19,120	17,044	[1]
Interest income	21,316	21,415
Total costs	19,120	17,044	[1]
Cost Reimbursements [Member] | Corporate Expenses & Other [Member]
Segment Reporting Information [Line Items]
Interest income		24
Cost Reimbursements [Member] | Eliminations [Member]
Segment Reporting Information [Line Items]
Interest income	(668)	(834)
Cost Reimbursements [Member] | Bluegreen [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	19,120	17,044
Interest income	21,866	22,008
Total costs	19,120	17,044
Cost Reimbursements [Member] | BBX Capital Real Estate [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Interest income	104	202
Cost Reimbursements [Member] | IT'SUGAR, LLC [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Interest income	14	15
Trade Sales [Member]
Segment Reporting Information [Line Items]
Revenue from customers	40,877	45,984	[1]
Net (losses) gains on sales of real estate assets	(47)	1,332
Total costs	29,772	32,290	[1]
Trade Sales [Member] | Corporate Expenses & Other [Member]
Segment Reporting Information [Line Items]
Revenue from customers	2,110	4,519
Total costs	735	1,785
Trade Sales [Member] | Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from customers	(8)	(9)
Total costs	(8)	(9)
Trade Sales [Member] | BBX Capital Real Estate [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Net (losses) gains on sales of real estate assets	(47)	1,332
Trade Sales [Member] | Renin [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	17,446	19,343
Total costs	14,275	15,117
Trade Sales [Member] | IT'SUGAR, LLC [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	21,329	22,131
Total costs	14,770	15,397
Sales Of Real Estate Inventory [Member]
Segment Reporting Information [Line Items]
Revenue from customers	6,439	4,236	[1]
Other revenue	574	830
Total costs	4,632	2,643	[1]
Sales Of Real Estate Inventory [Member] | Corporate Expenses & Other [Member]
Segment Reporting Information [Line Items]
Other revenue	249	451
Sales Of Real Estate Inventory [Member] | Eliminations [Member]
Segment Reporting Information [Line Items]
Other revenue	(254)	(319)
Sales Of Real Estate Inventory [Member] | BBX Capital Real Estate [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	6,439	4,236
Other revenue	460	684
Total costs	4,632	2,643
Sales Of Real Estate Inventory [Member] | IT'SUGAR, LLC [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Other revenue	119	14
Other [Member]
Segment Reporting Information [Line Items]
Revenue from customers	$ 1,562	$ 1,404

[1] See Note 1 for a summary of adjustments.