Leases - Narrative (Details)	3 Months Ended
	Mar. 31, 2021 state retail_sector property brand
Lessor, Lease, Description [Line Items]
Number of single-tenant retail net leased properties owned | property	234
Number of states in which entity operates | state	39
Number of brands in which tenants represent | brand	59
Number of retail sectors in which tenants represent | retail_sector	23
Minimum
Lessor, Lease, Description [Line Items]
Remaining term of leases	2 years
Maximum
Lessor, Lease, Description [Line Items]
Remaining term of leases	33 years