Organization (Details)	Mar. 31, 2020 property
Schedule of Equity Method Investments [Line Items]
Number of real estate properties	285
Necessity Retail Partners
Schedule of Equity Method Investments [Line Items]
Number of real estate properties	7
Equity method investment, ownership percentage	20.00%
Grocery Retail Partners I
Schedule of Equity Method Investments [Line Items]
Number of real estate properties	17
Equity method investment, ownership percentage	15.00%
Grocery Retail Partners II
Schedule of Equity Method Investments [Line Items]
Number of real estate properties	3
Equity method investment, ownership percentage	10.00%