Significant Accounting Policies (Summary Of Impacts From ASU Adoption) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			9 Months Ended			12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017		Sep. 30, 2018	Sep. 30, 2017		Dec. 31, 2017		Dec. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Notes receivable, net	$ 439,484			$ 439,484			$ 426,858	[1]	$ 425,800
Deferred income	15,509			15,509			16,893	[1]	19,522
Deferred income taxes	91,696			91,696			88,966	[1]	130,989
Total shareholder's equity	472,805			472,805			433,654	[1]	298,311
Revenues	202,205	$ 195,209	[1],[2]	564,662	$ 544,915	[1],[2]
Cost reimbursements	16,900	14,097	[1],[2]	47,157	40,660	[1],[2]	52,639		49,557
Cost of VOIs sold	11,237	6,444	[1],[2]	19,838	11,352	[1],[2]	17,679		28,829
Selling, general and administrative expenses	112,407	114,934	[1],[2]	315,535	312,257	[1],[2]	421,199		419,929
Income before non-controlling interest and provision for income taxes	32,516	34,375	[1]	102,679	108,084	[1]	136,998		129,624
Provision (benefit) for income taxes	8,443	12,584	[1],[2]	24,997	38,487	[1],[2]	(2,345)		41,620
Net income	24,073	21,791	[1],[2]	77,682	69,597	[1],[2]	139,343		88,004
Less: Net income attributable to non-controlling interest	3,585	3,251	[1],[2]	9,509	9,418	[1],[2]	12,760		10,125
Net income attributable to Bluegreen Vacations Corporation Shareholders	$ 20,488	$ 18,540	[1],[2]	$ 68,173	$ 60,179	[1],[2]	$ 126,583		$ 77,879
Basic and diluted earnings per share	$ 0.27	$ 0.26	[1],[2]	$ 0.91	$ 0.85	[1],[2]	$ 1.77		$ 1.10
Sales of VOIs [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenues	$ 70,698	$ 62,453	[1],[2]	$ 195,412	$ 176,094	[1],[2]	$ 242,017		$ 273,874
Cost Reimbursements [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenues	$ 16,900	14,097	[1],[2]	$ 47,157	40,660	[1],[2]	52,639		49,557
Prior To Adoption/As Previously Reported [Member] | Accounting Standards Update 2014-09 [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		6,284			10,737		17,439		27,346
Selling, general and administrative expenses		114,637			311,402		420,746		418,357
Income before non-controlling interest and provision for income taxes		34,066			106,299		135,336		124,948
Provision (benefit) for income taxes		12,520			37,844		(2,974)		40,172
Net income		21,546			68,455		138,310		84,776
Less: Net income attributable to non-controlling interest		3,110			9,398		12,784		9,825
Net income attributable to Bluegreen Vacations Corporation Shareholders		$ 18,436			$ 59,057		$ 125,526		$ 74,951
Basic and diluted earnings per share		$ 0.26			$ 0.83		$ 1.76		$ 1.06
Prior To Adoption/As Previously Reported [Member] | Sales of VOIs [Member] | Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenues		$ 61,687			$ 172,839		$ 239,662		$ 266,142
New Revenue Standard Adjustment [Member] | Accounting Standards Update 2014-09 [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		14,097			40,660		52,639		49,557
Cost of VOIs sold		160			615		240		1,483
Selling, general and administrative expenses		297			855		453		1,572
Income before non-controlling interest and provision for income taxes		309			1,785		1,662		4,676
Provision (benefit) for income taxes		64			643		629		1,448
Net income		245			1,142		1,033		3,228
Less: Net income attributable to non-controlling interest		141			20		(24)		300
Net income attributable to Bluegreen Vacations Corporation Shareholders		104			$ 1,122		$ 1,057		$ 2,928
Basic and diluted earnings per share					$ 0.02		$ 0.01		$ 0.04
New Revenue Standard Adjustment [Member] | Sales of VOIs [Member] | Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenues		766			$ 3,255		$ 2,355		$ 7,732
New Revenue Standard Adjustment [Member] | Cost Reimbursements [Member] | Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenues		$ 14,097			$ 40,660		$ 52,639		$ 49,557

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

[2] The calculation of basic and diluted earnings per share and the cash dividends declared per share for the 2017 periods reflects the stock split effected in connection with our initial public offering during November 2017 as if the stock split was effected on January 1, 2017.