Variable Interest Entities (Information Related To The Assets And Liabilities Of The VIEs) (Details) - USD ($) $ in Thousands		Mar. 31, 2019	Dec. 31, 2018
Variable Interest Entity [Line Items]
Restricted cash		$ 44,285	$ 53,726
Securitized notes receivable, net	[1]	435,629	439,167
Receivable backed notes payable - non-recourse		363,183	382,257
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Restricted cash		20,714	28,400
Securitized notes receivable, net		318,111	341,975
Receivable backed notes payable - non-recourse		$ 363,183	$ 382,257

[1] Notes receivable secured by homesites were originated through a business, substantially all the assets of which were sold by us in 2012.