Consolidated Statement Of Changes In Equity - USD ($) $ in Thousands	Common Stock [Member] Class A Common Stock [Member]	Common Stock [Member] Class B Common Stock [Member]	Additional Paid-In Capital [Member] Class A Common Stock [Member]	Additional Paid-In Capital [Member] Class B Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Earnings [Member] Class A Common Stock [Member]	Accumulated Earnings [Member] Class B Common Stock [Member]	Accumulated Earnings [Member]	Accumulated Other Comprehensive Income [Member] Class A Common Stock [Member]	Accumulated Other Comprehensive Income [Member] Class B Common Stock [Member]	Accumulated Other Comprehensive Income [Member]	Total Shareholders' Equity [Member] Class A Common Stock [Member]	Total Shareholders' Equity [Member] Class B Common Stock [Member]	Total Shareholders' Equity [Member]	Non-controlling Interests [Member] Class A Common Stock [Member]	Non-controlling Interests [Member] Class B Common Stock [Member]	Non-controlling Interests [Member]	Class A Common Stock [Member]	Class B Common Stock [Member]	Total
Beginning balance at Dec. 31, 2016	$ 848	$ 132			$ 193,347			$ 270,665			$ 1,167			$ 466,159			$ 41,609			$ 507,768
Beginning balance, shares at Dec. 31, 2016	84,845,000	13,185,000
Net income																				102,303
Net income excluding of loss attributable to redeemable noncontrolling interest								83,925						83,925			18,203			102,128
Purchase and retirement of Common Stock, value	$ (37)	$ (2)			(27,585)									(27,624)						(27,624)
Purchase and retirement of Common Stock, shares	(3,716,000)	(176,000)
Other comprehensive income											541			541						541
Bluegreen initial public offering, net of income taxes					50,303									50,303			33,632			83,935
Distributions to noncontrolling interests																	(11,390)			(11,390)
Common stock cash dividends declared						$ (2,711)	$ (501)					$ (2,711)	$ (501)					$ (2,711)	$ (501)
Conversion of Common Stock from Class B to Class A, value
Conversion of Common Stock from Class B to Class A, shares	95,000	(95,000)
Issuance of Common Stock from vesting of restricted stock awards, value	$ 43	$ 10			(53)
Issuance of Common Stock from vesting of restricted stock awards, shares	4,315,000	1,049,000
Issuance of Common Stock from exercise of options, value	$ 3				60									63						63
Issuance of Common Stock from exercise of options, shares	150,000
Share-based compensation					12,259									12,259						12,259
Ending balance at Dec. 31, 2017	$ 857	$ 140			228,331			354,432			1,708			585,468			82,054			667,522
Ending balance, shares at Dec. 31, 2017	85,689,000	13,963,000
Cumulative effect from the adoption of ASU | Accounting Standards Update 2016-09 [Member]								3,054						3,054						3,054
Net income																				55,793
Net income excluding of loss attributable to redeemable noncontrolling interest								35,102						35,102			21,061			56,163
Purchase and retirement of Common Stock, value	$ (20)	$ (5)			(16,981)									(17,006)						(17,006)
Purchase and retirement of Common Stock, shares	(1,990,000)	(505,000)
Other comprehensive income											(241)			(241)						(241)
Distributions to noncontrolling interests																	(14,284)			(14,284)
Bluegreen purchase and retirement of its common stock					(2,124)									(2,124)			(1,876)			(4,000)
Increase in noncontrolling interest from loan foreclosure																	704			704
Purchase of noncontrolling interest					(587)									(587)			329			(258)
Common stock cash dividends declared						(3,281)	(716)					(3,281)	(716)					(3,281)	(716)
Purchase and retirement of Common Stock from tender offer, value	$ (65)				(60,076)									(60,141)						(60,141)
Purchase and retirement of Common Stock from tender offer, shares	(6,486,000)
Conversion of Common Stock from Class B to Class A, value	$ 1	$ (1)
Conversion of Common Stock from Class B to Class A, shares	38,000	(38,000)
Issuance of Common Stock from vesting of restricted stock awards, value	$ 11	$ 14			(25)
Issuance of Common Stock from vesting of restricted stock awards, shares	1,101,000	1,421,000
Issuance of Common Stock from exercise of options, value					245									245						245
Issuance of Common Stock from exercise of options, shares	27,000
Share-based compensation					12,901									12,901						12,901
Ending balance at Dec. 31, 2018	$ 784	$ 148			161,684			385,789			1,215			549,620			87,988			637,608
Ending balance, shares at Dec. 31, 2018	78,379,000	14,841,000
Cumulative effect from the adoption of ASU | Accounting Standards Update 2016-01 [Member]								252			(252)
Net income																				32,103
Net income excluding of loss attributable to redeemable noncontrolling interest								17,691						17,691			14,738			32,429
Purchase and retirement of Common Stock, value	$ (35)	$ (7)			(19,997)									(20,039)						(20,039)
Purchase and retirement of Common Stock, shares	(3,451,000)	(749,000)
Other comprehensive income											339			339						339
Distributions to noncontrolling interests																	(11,948)			(11,948)
Bluegreen purchase and retirement of its common stock					(332)									(332)			(503)			(835)
Purchase of noncontrolling interest								(1,902)						(1,902)						(1,902)
Common stock cash dividends declared						$ (3,878)	$ (947)					$ (3,878)	$ (947)					$ (3,878)	$ (947)
Conversion of Common Stock from Class B to Class A, value
Conversion of Common Stock from Class B to Class A, shares	36,000	(36,000)
Issuance of Common Stock from vesting of restricted stock awards, value	$ 6	$ 19			(25)
Issuance of Common Stock from vesting of restricted stock awards, shares	566,000	1,902,000																		0
Share-based compensation					11,445									11,445						$ 11,445
Ending balance at Dec. 31, 2019	$ 755	$ 160			152,775			394,551			1,554			549,795			90,275			640,070
Ending balance, shares at Dec. 31, 2019	75,530,000	15,958,000
Cumulative effect from the adoption of ASU | Accounting Standards Update 2016-02 [Member]								$ (2,202)						$ (2,202)						$ (2,202)