Revenue Recognition - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Rental revenues	$ 51,388	$ 45,478	$ 107,541	$ 99,588
Customer Concentration Risk \| Revenue \| Bloomberg
Disaggregation of Revenue [Line Items]
Rental revenues			$ 57,513	$ 53,180
Percentage rent contributed by tenant			53.00%	53.00%

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details