Segment Reporting (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021 USD ($) segment	Mar. 31, 2020 USD ($)	Dec. 31, 2020 segment
Segment Reporting Information [Line Items]
Total revenue	$ 146,359	$ 156,926
Selling, general and administrative expenses	90,152	102,197
Interest expense	7,916	8,818
Other expense, net	214
Total costs and expenses	137,144	155,945
Income before non-controlling interest and provision for income taxes	9,215	981
Add: Depreciation and amortization	$ 5,171	4,792
Number of reportable segments | segment	2		2
Corporate Expenses & Other [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 77	1,851
Selling, general and administrative expenses	24,655	19,234
Interest expense	3,753	4,154
Other expense, net	214
Total costs and expenses	28,622	23,388
Income before non-controlling interest and provision for income taxes	(28,545)	(21,537)
Eliminations [Member]
Segment Reporting Information [Line Items]
Total revenue	(1,311)	(1,595)
Selling, general and administrative expenses	(157)	(175)
Mortgage servicing expense	(1,154)	(1,420)
Total costs and expenses	(1,311)	(1,595)
Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	104,362	110,959
Selling, general and administrative expenses	65,654	83,138
Mortgage servicing expense	1,154	1,420
Interest expense	4,163	4,664
Total costs and expenses	84,639	102,705
Income before non-controlling interest and provision for income taxes	19,723	8,254
Add: Depreciation and amortization	1,405	1,559
Add: Severance		2,563
Segment Adjusted EBITDA	21,128	12,376
Resort Operations And Club Management [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	43,231	45,711
Total costs and expenses	25,194	31,447
Income before non-controlling interest and provision for income taxes	18,037	14,264
Add: Depreciation and amortization	196	190
Add: Severance		1,134
Segment Adjusted EBITDA	18,233	15,588
Sales of VOIs [Member]
Segment Reporting Information [Line Items]
Total revenue	55,931	45,128
Cost of VOIs sold		4,099
Total costs and expenses	5,169
Sales of VOIs [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue		45,128
Cost of VOIs sold		4,099
Total costs and expenses	5,169
Net Carrying Cost Of VOI Inventory [Member] | Eliminations [Member]
Segment Reporting Information [Line Items]
Cost of VOIs sold		(7,914)
Total costs and expenses	(7,780)
Net Carrying Cost Of VOI Inventory [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Cost of VOIs sold		7,914
Total costs and expenses	7,780
Fee-Based Sales Commission Revenue [Member]
Segment Reporting Information [Line Items]
Total revenue	25,718	41,365
Fee-Based Sales Commission Revenue [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	25,718	41,365
Other Fee-Based Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenue	28,897	29,314
Cost of VOIs sold	17,085	21,711
Total costs and expenses	17,085
Other Fee-Based Services Revenue [Member] | Eliminations [Member]
Segment Reporting Information [Line Items]
Total revenue	(1,311)
Cost of VOIs sold		7,914
Total costs and expenses	7,780
Other Fee-Based Services Revenue [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	1,311	2,723
Cost of VOIs sold		1,470
Total costs and expenses	719
Other Fee-Based Services Revenue [Member] | Resort Operations And Club Management [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue		26,591
Cost of VOIs sold		12,327
Total costs and expenses	8,586
Cost Reimbursements [Member]
Segment Reporting Information [Line Items]
Total revenue	16,608	19,120
Cost of VOIs sold	16,608	19,120
Total costs and expenses	16,608
Cost Reimbursements [Member] | Resort Operations And Club Management [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	16,608	19,120
Cost of VOIs sold		19,120
Total costs and expenses	16,608
Mortgage Servicing Revenue [Member]
Segment Reporting Information [Line Items]
Total revenue	28,897
Mortgage Servicing Revenue [Member] | Eliminations [Member]
Segment Reporting Information [Line Items]
Total revenue		(1,595)
Mortgage Servicing Revenue [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	2,274	1,595
Mortgage Servicing Revenue [Member] | Resort Operations And Club Management [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	26,623
Interest Income [Member]
Segment Reporting Information [Line Items]
Total revenue	19,205	21,866
Interest Income [Member] | Corporate Expenses & Other [Member]
Segment Reporting Information [Line Items]
Total revenue	77	1,718
Interest Income [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	19,128	20,148
Other Income, Net [Member]
Segment Reporting Information [Line Items]
Total revenue	55,931	133
Other Income, Net [Member] | Corporate Expenses & Other [Member]
Segment Reporting Information [Line Items]
Total revenue		$ 133
Other Income, Net [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 55,931