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Payment For Lease Termination

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Commitments and Contingencies (Details) $ in Thousands	2 Months Ended	3 Months Ended		12 Months Ended
Commitments and Contingencies (Details) $ in Thousands	Jul. 31, 2018 plaintiff	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2019 USD ($)	Mar. 23, 2017 case
Loss Contingencies [Line Items]
Investment in parcels		$ 726,568	$ 810,470		$ 792,148
Purchases of land		$ 31,498	$ 35,911
Land
Loss Contingencies [Line Items]
Purchases of land				$ 70,300
Land \| Sagamore
Loss Contingencies [Line Items]
Investment in parcels				72,000
Purchases of land				35,000
Payment for lease termination				30,600
Development costs				$ 6,400
Under Armour Securities Litigation, Case No. 17-cv-00388-RDB \| Pending Litigation
Loss Contingencies [Line Items]
Pending claims \| case						3
Derivative Complaints
Loss Contingencies [Line Items]
Number of plaintiffs \| plaintiff	3