Significant Accounting Policies (Expected Impacts To Reported Results) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017		Dec. 31, 2017		Dec. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Notes receivable, net	$ 424,117			$ 426,858	[1]	$ 425,800
Deferred income	15,151			16,893	[1]	19,522
Deferred income taxes	92,213			88,966	[1]	130,989
Total shareholder's equity	446,026			433,654	[1]	298,311
Revenues	167,522	$ 162,567	[1]
Cost reimbursements	16,200	14,670	[1]	52,639		49,557
Cost of VOIs sold	1,812	3,159	[1]	17,679		28,829
Selling, general and administrative expenses	93,549	89,835	[1]	421,199		419,929
Income before non-controlling interest and provision for income taxes	30,783	30,907	[1]	136,998		129,624
Provision (benefit) for income taxes	7,201	10,611	[1]	(2,345)		41,620
Net income	23,582	20,296	[1]	139,343		88,004
Less: Net income attributable to non-controlling interest	2,607	2,647	[1]	12,760		10,125
Net income attributable to Bluegreen Vacations Corporation Shareholders	$ 20,975	$ 17,649	[1]	$ 126,583		$ 77,879
Basic and diluted earnings per share	$ 0.28	$ 0.25	[1]	$ 1.77		$ 1.10
Accounting Standards Update 2014-09 [Member] | As Previously Reported [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Notes receivable, net				$ 431,801		$ 430,480
Deferred income				36,311		37,015
Deferred income taxes				83,628		126,278
Total shareholder's equity				424,517		290,208
Cost of VOIs sold		$ 3,318		17,439		27,346
Selling, general and administrative expenses		89,983		420,746		418,357
Income before non-controlling interest and provision for income taxes		30,820		135,336		124,948
Provision (benefit) for income taxes		10,526		(2,974)		40,172
Net income		20,294		138,310		84,776
Less: Net income attributable to non-controlling interest		2,807		12,784		9,825
Net income attributable to Bluegreen Vacations Corporation Shareholders		$ 17,487		$ 125,526		$ 74,951
Basic and diluted earnings per share		$ 0.25		$ 1.76		$ 1.06
Accounting Standards Update 2014-09 [Member] | New Revenue Standard Adjustment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Notes receivable, net				$ (4,943)		$ (4,680)
Deferred income				(19,418)		(17,493)
Deferred income taxes				5,338		4,711
Total shareholder's equity				9,137		8,103
Cost reimbursements		$ 14,670		52,639		49,557
Cost of VOIs sold		(159)		240		1,483
Selling, general and administrative expenses		(148)		453		1,572
Income before non-controlling interest and provision for income taxes		87		1,662		4,676
Provision (benefit) for income taxes		85		629		1,448
Net income		2		1,033		3,228
Less: Net income attributable to non-controlling interest		(160)		(24)		300
Net income attributable to Bluegreen Vacations Corporation Shareholders		162		$ 1,057		$ 2,928
Basic and diluted earnings per share				$ 0.01		$ 0.04
Sales of VOIs [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenues	$ 56,141	54,236	[1]	$ 242,017		$ 273,874
Sales of VOIs [Member] | Accounting Standards Update 2014-09 [Member] | As Previously Reported [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenues		54,457		239,662		266,142
Sales of VOIs [Member] | Accounting Standards Update 2014-09 [Member] | New Revenue Standard Adjustment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenues		(221)		2,355		7,732
Cost Reimbursements [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenues	$ 16,200	14,670	[1]	52,639		49,557
Cost Reimbursements [Member] | Accounting Standards Update 2014-09 [Member] | New Revenue Standard Adjustment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenues		$ 14,670		$ 52,639		$ 49,557

[1] * See Note 2 for summary of adjustments.