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Disposition of Property - Summary of Details of Disposition Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Net Gain on Disposition	$ 0	$ 0	$ 0	$ 20,619
Overton Trails \| Texas
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Contract Sales Price		$ 64,000		64,000
Net Gain on Disposition				20,619
Revenue Attributable to Property Sold				1,143
Net Loss Attributable to Property Sold				$ (249)