Subsequent Events - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Apr. 15, 2020	Mar. 31, 2020	Mar. 31, 2019
Subsequent Events
Acquisition price		$ 12,066
Aggregate number of limited partnership units issued for acquisition		469,000
Price per limited partnership unit issued for acquisition, price one		$ 19.25
Aggregate value of limited partnership units issued for acquisition		$ 9,031
Consideration in cash to pay for acquisitions		$ 375
Dividend or distribution paid		$ 0.2647	$ 0.2613
Repayments of mortgage notes		$ 9,129	$ 3,150
Subsequent Event
Subsequent Events
Dividend or distribution paid	$ 0.2647
Refinanced mortgage	$ 1,180