Debt And Lines Of Credit , Narrative - Line of Credit (Details) $ / shares in Units, $ in Millions	1 Months Ended	6 Months Ended	12 Months Ended
	May 31, 2021 USD ($)	Jun. 30, 2021 USD ($) shares Rate	Dec. 31, 2020 USD ($) shares $ / shares Rate	Jun. 14, 2021 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2021 AUD ($)	Dec. 22, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)	Apr. 25, 2017 USD ($)	Dec. 31, 2015 $ / shares
Line of Credit Facility [Line Items]
Long-term Debt		$ 201,900,000			$ 6,500,000
Lines of credit			$ 1,197,181,000
Weighted average interest rate | Rate		3.519%	3.37%
Debt weighted average to maturity, length		10 years 4 months 24 days	9 years 4 months 24 days
Convertible units to shares (in shares) | shares			1,013,819
Safe Harbor
Line of Credit Facility [Line Items]
Letters of credit outstanding, amount		$ 0	$ 300,000
Line of Credit [Member]
Line of Credit Facility [Line Items]
Letters of credit outstanding, amount		3,200,000	2,400,000
Line of Credit Facility, Maximum Borrowing Capacity, Incremental												$ 750,000,000.0
Line of Credit Facility, Maximum Borrowing Capacity, Incremental												$ 750,000,000.0
Line of credit - manufactured home floor plan facility [Member]
Line of Credit Facility [Line Items]
Line of credit, borrowing capacity			12,000,000.0
Lines of credit		1,500,000	$ 4,800,000
Preferred OP units [Member]
Line of Credit Facility [Line Items]
Weighted average interest rate | Rate			5.932%
Debt weighted average to maturity, length			5 years 1 month 6 days
Debt Instrument, Interest Rate During Period | Rate			6.50%
Convertible units to shares (in shares) | shares			270,000
Preferred OP units [Member] | Convertible debt - Aspen Preferred OP Units January 2024 [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 34,700,000	$ 34,700,000
Debt Instrument, Convertible, Conversion Price | $ / shares			$ 27.00										$ 68.00
Conversion of Stock, Shares Converted | shares			0.397
Debt Instrument, Convertible, Percent Of Amount By Which The Market Price Of Common Stock Exceeds Threshold | Rate			25.00%
Debt Instrument, Interest Rate During Period | Rate			3.80%
Convertible units to shares (in shares) | shares		394,814
Secured Debt [Member]
Line of Credit Facility [Line Items]
Long-term Debt			$ 0
Debt instrument, face amount			$ 268,800,000							$ 230,000,000
Debt Instrument, Interest Rate, Stated Percentage			2.662%							2.995%
Prime Rate [Member] | Line of credit - manufactured home floor plan facility [Member]
Line of Credit Facility [Line Items]
Basis points | Rate			10000.00%
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Long-term Debt		$ 190,300,000	$ 40,400,000
Lines of credit		$ 191,841,000
Revolving Credit Facility [Member] | Safe Harbor
Line of Credit Facility [Line Items]
Line of credit, borrowing capacity							$ 1,800,000,000
Revolving Credit Facility [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Long-term Debt			$ 652,000,000.0
Weighted average interest rate | Rate		0.928%	2.107%
Debt weighted average to maturity, length		3 years 10 months 24 days	3 years 8 months 12 days
Revolving Credit Facility [Member] | Term Loan [Member]
Line of Credit Facility [Line Items]
Line of credit, borrowing capacity		$ 500,000,000.0		$ 1,000,000,000.0
Lines of credit		$ 39,600,000	$ 45,000,000.0	$ 2,000,000,000.0							$ 58,000,000.0
Revolving Credit Facility [Member] | Eurodollar [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Line of credit variable interest rate | Rate		1.20%
Revolving Credit Facility [Member] | Eurodollar [Member] | Term Loan [Member]
Line of Credit Facility [Line Items]
Basis points		0.85%
Minimum [Member] | Revolving Credit Facility [Member] | Term Loan [Member]
Line of Credit Facility [Line Items]
Basis points		0.725%
Minimum [Member] | Term Loan [Member] | Eurodollar [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Interest rate | Rate			1.20%
Maximum [Member] | Prime Rate [Member] | Line of credit - manufactured home floor plan facility [Member]
Line of Credit Facility [Line Items]
Interest rate | Rate			7.00%
Debt Instrument, Interest Rate, Stated Percentage | Rate			6.00%
Maximum [Member] | Revolving Credit Facility [Member] | Term Loan [Member]
Line of Credit Facility [Line Items]
Basis points		1.40%
Maximum [Member] | Term Loan [Member] | Eurodollar [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Interest rate | Rate		2.05%
GTSC [Member]
Line of Credit Facility [Line Items]
Line of credit, borrowing capacity								$ 180,000,000.0	$ 125,000,000.0
Long-term Debt		$ 80,800,000	$ 67,100,000
Ownership percentage		40.00%	40.00%
Line of Credit Facility, Increase (Decrease), Net	$ 230,000,000.0	$ 255,000,000.0
RezPlot [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 10,000,000.0
Ownership percentage		50.00%
Debt Instrument, Interest Rate, Stated Percentage		3.00%
Convertible Notes Payable		$ 5,600,000
Sungenia JV [Member]
Line of Credit Facility [Line Items]
Line of credit, borrowing capacity					20,300,000	$ 27.0
Long-term Debt					$ 3,200,000
Ownership percentage					50.00%	50.00%
Debt Instrument, Interest Rate, Stated Percentage		2.05%
GTSC [Member]
Line of Credit Facility [Line Items]
Long-term Debt			$ 167,700,000
GTSC [Member] | London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility [Line Items]
Basis points		1.65%
Sungenia JV [Member] | Total Sungenia Debt
Line of Credit Facility [Line Items]
Long-term Debt		$ 6,700,000
Sungenia JV [Member] | JV Debt, Affiliated Entity Portion
Line of Credit Facility [Line Items]
Long-term Debt		$ 3,300,000