Consolidated Statements Of Operations And Comprehensive Income - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2019		Dec. 31, 2018	Dec. 31, 2017
Revenues
Revenue from customers		$ 843,726		$ 852,462	$ 777,949
Interest income		86,326		85,501	83,708
Net gains on sales of real estate assets		13,616		4,563	1,451
Other revenue		3,203		3,372	5,661
Total revenues		946,871	[1]	945,898	868,769
Costs and Expenses
Interest expense		45,782		42,075	35,205
Recoveries from loan losses, net		(5,428)		(8,653)	(7,546)
Impairment losses		6,938		4,718	7,482
Net gains on cancellation of junior subordinated debentures					(6,929)
Reimbursement of litigation costs and penalty				(600)	(13,169)
Selling, general and administrative expenses		585,686		537,812	532,061
Total costs and expenses		936,015	[1]	874,423	789,317
Equity in net earnings of unconsolidated real estate joint ventures		37,898		14,194	12,541
Other income		82		1,695	801
Foreign exchange (loss) gain		(75)		68	(193)
Income before income taxes		48,761		87,432	92,601
(Provision) benefit for income taxes	[2]	(16,658)		(31,639)	9,702
Net income		32,103		55,793	102,303
Less: Net income attributable to noncontrolling interests		14,412		20,691	18,378
Net income attributable to shareholders		$ 17,691		$ 35,102	$ 83,925
Basic earnings per share		$ 0.19		$ 0.37	$ 0.85
Diluted earnings per share		$ 0.19		$ 0.36	$ 0.81
Basic weighted average number of common shares outstanding		92,628		95,298	98,745
Diluted weighted average number of common and common equivalent shares outstanding		93,654		97,860	103,916
Other comprehensive income (loss), net of tax:
Unrealized gain (loss) on securities available for sale		$ 52		$ (47)	$ 135
Foreign currency translation adjustments		287		(194)	406
Other comprehensive gain (loss), net		339		(241)	541
Comprehensive income, net of tax		32,442		55,552	102,844
Less: Comprehensive income attributable to noncontrolling interests		14,412		20,691	18,378
Comprehensive income attributable to shareholders		$ 18,030		$ 34,861	$ 84,466
Class A Common Stock [Member]
Costs and Expenses
Cash dividends declared per common share		$ 0.05		$ 0.04	$ 0.03
Class B Common Stock [Member]
Costs and Expenses
Cash dividends declared per common share		$ 0.05		$ 0.04	$ 0.03
Sales Of VOIs [Member]
Revenues
Revenue from customers		$ 255,375		$ 254,225	$ 242,017
Costs and Expenses
Total costs		21,845		23,813	17,679
Fee-Based Sales Commissions [Member]
Revenues
Revenue from customers		207,832		216,422	229,389
Costs and Expenses
Total costs		86,940
Other Fee-Based Services [Member]
Revenues
Revenue from customers		125,244		118,024	111,819
Costs and Expenses
Total costs		86,940		72,968	64,560
Cost Reimbursements [Member]
Revenues
Revenue from customers		63,889		62,534	52,639
Costs and Expenses
Total costs		63,889		62,534	52,639
Trade Sales [Member]
Revenues
Revenue from customers		186,337		179,486	142,085
Costs and Expenses
Total costs		127,720		125,640	107,335
Sales Of Real Estate Inventory [Member]
Revenues
Revenue from customers		5,049		21,771
Costs and Expenses
Total costs		2,643		14,116
Other [Member]
Revenues
Revenue from customers		$ 7,528		$ 6,284	$ 5,997

[1] During the fourth quarter of 2019, the prior 2019 quarterly revenue and operating expense amounts were reclassified for consistency to conform to the fourth quarter 2019 presentation.

[2] Expected tax is computed based upon income before income taxes.