Notes And Other Receivables , Schedule of notes and other receivables (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total notes and other receivables, net	$ 112,932	$ 114,884
Installment notes receivable on manufactured homes, net [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total notes and other receivables, net	14,191	13,417
Collateralized receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total notes and other receivables, net	83,098	81,176
Other receivables, net [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total notes and other receivables, net	$ 15,643	$ 20,291