Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Income from real property	$ 237,785	$ 215,083
Revenues	310,302	287,330
Income From Real Property [Member]
Disaggregation of Revenue [Line Items]
Income from real property	237,785	215,083
Revenue From Home Sales [Member]
Disaggregation of Revenue [Line Items]
Income from real property	40,587	39,618
Rental Home Revenue [Member]
Disaggregation of Revenue [Line Items]
Income from real property	15,472	13,971
Ancillary Revenues [Member]
Disaggregation of Revenue [Line Items]
Income from real property	10,195	10,178
Interest [Member]
Disaggregation of Revenue [Line Items]
Income from real property	2,350	4,800
Brokerage Commissions And Other Revenues, Net [Member]
Disaggregation of Revenue [Line Items]
Income from real property	3,913	3,680
Real Property Operations Segment [Member]
Disaggregation of Revenue [Line Items]
Revenues	254,243	233,741
Real Property Operations Segment [Member] | Income From Real Property [Member]
Disaggregation of Revenue [Line Items]
Income from real property	237,785	215,083
Real Property Operations Segment [Member] | Revenue From Home Sales [Member]
Disaggregation of Revenue [Line Items]
Income from real property	0	0
Real Property Operations Segment [Member] | Rental Home Revenue [Member]
Disaggregation of Revenue [Line Items]
Income from real property	0	0
Real Property Operations Segment [Member] | Ancillary Revenues [Member]
Disaggregation of Revenue [Line Items]
Income from real property	10,195	10,178
Real Property Operations Segment [Member] | Interest [Member]
Disaggregation of Revenue [Line Items]
Income from real property	2,350	4,800
Real Property Operations Segment [Member] | Brokerage Commissions And Other Revenues, Net [Member]
Disaggregation of Revenue [Line Items]
Income from real property	3,913	3,680
Home Sales and Home Rentals Segment [Member]
Disaggregation of Revenue [Line Items]
Revenues	56,059	53,589
Home Sales and Home Rentals Segment [Member] | Income From Real Property [Member]
Disaggregation of Revenue [Line Items]
Income from real property	0	0
Home Sales and Home Rentals Segment [Member] | Revenue From Home Sales [Member]
Disaggregation of Revenue [Line Items]
Income from real property	40,587	39,618
Home Sales and Home Rentals Segment [Member] | Rental Home Revenue [Member]
Disaggregation of Revenue [Line Items]
Income from real property	15,472	13,971
Home Sales and Home Rentals Segment [Member] | Ancillary Revenues [Member]
Disaggregation of Revenue [Line Items]
Income from real property	0	0
Home Sales and Home Rentals Segment [Member] | Interest [Member]
Disaggregation of Revenue [Line Items]
Income from real property	0	0
Home Sales and Home Rentals Segment [Member] | Brokerage Commissions And Other Revenues, Net [Member]
Disaggregation of Revenue [Line Items]
Income from real property	$ 0	$ 0