Organization (Details) ft² in Millions	12 Months Ended
	Dec. 31, 2019 property	Dec. 31, 2019 ft²	Dec. 31, 2019 $ / shares	Dec. 31, 2019 employee	Dec. 31, 2019 state	Dec. 31, 2019 encumbered_property	Dec. 31, 2018 $ / shares
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of real estate properties	193					102
Number of states properties are located in | state					31
Area of real estate property | ft²		9.4
Preferred stock, dividend rate, percentage	7.375%
Preferred stock, par value (in usd per share) | $ / shares			$ 0.01				$ 0
Entity number of employees | employee				0