Schedule III - Real Estate and Accumulated Depreciation -Real Estate Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Real Estate
Beginning balance	$ 704,354	$ 721,664	$ 441,971
Acquisitions and improvements	83,979	5,811	279,693
Property sold	(124,421)	(23,121)	0
Ending balance	663,912	704,354	721,664
Accumulated Depreciation
Beginning balance	87,532	67,026	48,920
Property sold	(10,098)	(3,166)	0
Depreciation	22,713	23,672	18,106
Ending balance	$ 100,147	$ 87,532	$ 67,026