Segment Reporting (Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenue from customers	$ 74,334	$ 213,840	$ 256,577	$ 407,615
Interest income	19,499	21,518	40,815	42,933
Net gains (losses) on sales of real estate assets	13	9,664	(34)	10,996
Other revenue	473	671	1,047	1,501
Total revenues	94,319	245,693	298,405	463,045
Interest expense	9,502	11,661	19,335	22,809
Recoveries from loan losses, net	(1,525)	(1,424)	(5,037)	(2,385)
Impairment losses	3,305	2,138	31,588	2,756
Selling, general and administrative expenses	59,327	178,843	187,180	301,711
Total costs and expenses	125,891	265,674	367,682	477,165
Equity in net earnings of unconsolidated real estate joint ventures	145	8,759	696	8,742
Other income (expense)	409	2,289	640	2,802
Foreign exchange (loss) gain	(6)	(29)	272	(24)
Loss before income taxes	(31,024)	(8,962)	(67,669)	(2,600)
Total assets	1,671,337	1,801,761	1,671,337	1,801,761		$ 1,790,971
Expenditures for property and equipment	1,810	8,551	8,157	18,244
Depreciation and amortization	5,687	5,567	11,453	11,081
Debt accretion and amortization	1,073	1,249	2,179	2,610
Cash and cash equivalents	348,045	332,871	348,045	332,871		356,604
Equity method investments	63,775	65,254	63,775	65,254		57,330
Goodwill	14,864	37,248	14,864	37,248	$ 14,864	37,248	$ 37,248	$ 37,248
Receivable-backed notes payable	399,805	438,136	399,805	438,136
Notes payable and other borrowings	223,428	178,516	223,428	178,516		188,731
Junior subordinated debentures	137,703	136,829	137,703	136,829		$ 137,254
Other [Member]
Segment Reporting Information [Line Items]
Interest income		32		56
Other revenue	224	412	473	863
Total revenues	852	4,315	3,211	9,309
Interest expense	2	1	5	2
Impairment losses		2,138	3,575	2,756
Selling, general and administrative expenses	792	3,532	2,535	7,465
Total costs and expenses	290	7,379	6,346	13,716
Other income (expense)		2		7
Loss before income taxes	562	(3,062)	(3,135)	(4,400)
Total assets	6,286	29,139	6,286	29,139
Expenditures for property and equipment	14	120	45	916
Depreciation and amortization	26	288	51	574
Debt accretion and amortization				1
Cash and cash equivalents	774	6,788	774	6,788
Goodwill		1,727		1,727
Notes payable and other borrowings	129	200	129	200
Reconciling Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Interest income	(703)	(666)	(1,371)	(1,500)
Other revenue	(163)	(264)	(417)	(583)
Total revenues	(874)	(936)	(1,804)	(2,098)
Interest expense	834	1,429	1,671	2,886
Selling, general and administrative expenses	8,755	11,884	16,814	23,990
Total costs and expenses	9,581	13,307	18,469	26,861
Other income (expense)	61	117	123	164
Loss before income taxes	(10,394)	(14,126)	(20,150)	(28,795)
Total assets	39,649	68,189	39,649	68,189
Expenditures for property and equipment	6	12	41	18
Depreciation and amortization	105	105	208	217
Debt accretion and amortization	54	93	109	183
Cash and cash equivalents	114,296	126,960	114,296	126,960
Notes payable and other borrowings	(6,345)	(148)	(6,345)	(148)
Junior subordinated debentures	65,209	65,138	65,209	65,138
Bluegreen [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Interest income	20,108	21,875	41,974	43,883
Total revenues	68,560	190,230	225,353	355,793
Interest expense	8,540	10,061	17,358	19,567
Selling, general and administrative expenses	40,880	148,543	143,077	239,632
Total costs and expenses	80,843	202,232	236,788	345,712
Other income (expense)	273	1,993	406	2,082
Loss before income taxes	(12,010)	(10,009)	(11,029)	12,163
Total assets	1,294,370	1,351,213	1,294,370	1,351,213
Expenditures for property and equipment	1,576	7,009	4,542	14,516
Depreciation and amortization	3,890	3,504	7,789	6,870
Debt accretion and amortization	852	1,066	1,746	2,186
Cash and cash equivalents	209,427	180,166	209,427	180,166
Receivable-backed notes payable	399,805	438,136	399,805	438,136
Notes payable and other borrowings	181,908	136,796	181,908	136,796
Junior subordinated debentures	72,494	71,691	72,494	71,691
BBX Capital Real Estate [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Interest income	81	263	185	465
Net gains (losses) on sales of real estate assets	13	9,664	(34)	10,996
Other revenue	327	441	787	1,125
Total revenues	3,260	10,792	10,216	17,246
Recoveries from loan losses, net	(1,525)	(1,424)	(5,037)	(2,385)
Impairment losses	2,710		2,710
Selling, general and administrative expenses	1,125	1,879	3,461	4,373
Total costs and expenses	3,784	455	7,240	4,631
Equity in net earnings of unconsolidated real estate joint ventures	145	8,759	696	8,742
Other income (expense)		8		170
Loss before income taxes	(379)	19,104	3,672	21,527
Total assets	161,933	153,503	161,933	153,503
Expenditures for property and equipment				3
Depreciation and amortization				93
Debt accretion and amortization	58	25	153	111
Cash and cash equivalents	17,933	14,551	17,933	14,551
Equity method investments	63,775	65,254	63,775	65,254
Notes payable and other borrowings	32,074	31,983	32,074	31,983
BBX Sweet Holdings [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Interest income			27	29
Other revenue			204	96
Total revenues			26,808	48,113
Interest expense			116	98
Impairment losses			25,303
Selling, general and administrative expenses			16,640	20,774
Total costs and expenses			65,874	52,506
Other income (expense)			114	227
Loss before income taxes			(38,952)	(4,166)
Expenditures for property and equipment			2,924	2,586
Depreciation and amortization			2,785	2,733
Debt accretion and amortization			162	112
Renin [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	17,175	15,339	34,621	34,682
Interest expense	71	116	185	256
Selling, general and administrative expenses	2,035	2,442	4,653	5,477
Total costs and expenses	15,958	15,447	32,965	33,739
Other income (expense)		152	(3)	152
Foreign exchange (loss) gain	(6)	(29)	272	(24)
Loss before income taxes	1,211	15	1,925	1,071
Total assets	35,917	31,626	35,917	31,626
Expenditures for property and equipment	214	90	605	205
Depreciation and amortization	314	296	620	594
Debt accretion and amortization	2	9	9	17
Cash and cash equivalents	1,871		1,871
Notes payable and other borrowings	7,974	6,757	7,974	6,757
IT'SUGAR, LLC [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Interest income	13	14
Other revenue	85	82
Total revenues	5,346	25,953
Interest expense	55	54
Impairment losses	595
Selling, general and administrative expenses	5,740	10,563
Total costs and expenses	15,435	26,854
Other income (expense)	75	17
Loss before income taxes	(10,014)	(884)
Total assets	133,182	168,091	133,182	168,091
Expenditures for property and equipment		1,320
Depreciation and amortization	1,352	1,374
Debt accretion and amortization	107	56
Cash and cash equivalents	3,744	4,406	3,744	4,406
Goodwill	14,864	35,521	14,864	35,521
Notes payable and other borrowings	7,688	2,928	7,688	2,928
Sales Of VOIs [Member]
Segment Reporting Information [Line Items]
Revenue from customers	9,054	68,302	54,182	120,033
Total costs	1,038	10,572	5,137	14,420
Sales Of VOIs [Member] | Bluegreen [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	9,054	68,302	54,182	120,033
Total costs	1,038	10,572	5,137	14,420
Fee-Based Sales Commissions [Member]
Segment Reporting Information [Line Items]
Revenue from customers	1,135	55,343	42,500	100,555
Fee-Based Sales Commissions [Member] | Bluegreen [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	1,135	55,343	42,500	100,555
Other Fee-Based Services [Member]
Segment Reporting Information [Line Items]
Revenue from customers	26,413	30,703	55,727	60,271
Total costs	18,535	19,049	40,246	41,042
Other Fee-Based Services [Member] | Bluegreen [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	26,413	30,703	55,727	60,271
Total costs	18,535	19,049	40,246	41,042
Cost Reimbursements [Member]
Segment Reporting Information [Line Items]
Revenue from customers	11,850	14,007	30,970	31,051
Total costs	11,850	14,007	30,970	31,051
Cost Reimbursements [Member] | Bluegreen [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	11,850	14,007	30,970	31,051
Total costs	11,850	14,007	30,970	31,051
Trade Sales [Member]
Segment Reporting Information [Line Items]
Revenue from customers	23,043	45,061	63,920	91,045
Total costs	22,385	30,828	52,157	63,118
Trade Sales [Member] | Other [Member]
Segment Reporting Information [Line Items]
Revenue from customers	628	3,871	2,738	8,390
Total costs	(504)	1,708	231	3,493
Trade Sales [Member] | Reconciling Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from customers	(8)	(6)	(16)	(15)
Total costs	(8)	(6)	(16)	(15)
Trade Sales [Member] | BBX Sweet Holdings [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers			26,577	47,988
Total costs			23,815	31,634
Trade Sales [Member] | Renin [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	17,175	15,339	34,621	34,682
Total costs	13,852	12,889	28,127	28,006
Trade Sales [Member] | IT'SUGAR, LLC [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	5,248	25,857
Total costs	9,045	16,237
Sales Of Real Estate Inventory [Member]
Segment Reporting Information [Line Items]
Revenue from customers	2,839	424	9,278	4,660
Total costs	1,474		6,106	2,643
Sales Of Real Estate Inventory [Member] | BBX Capital Real Estate [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Revenue from customers	2,839	424	9,278	4,660
Total costs	1,474		6,106	2,643
Other [Member]
Segment Reporting Information [Line Items]
Revenue from customers	$ 840	$ 2,060	$ 2,402	$ 3,464