Real Estate Investments - Allocation of Assets (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) property
Real estate investments, at cost:
Land	$ 55,548
Building and improvements	24,324
Total tangible assets	79,872
Acquired intangibles:
Total intangible assets, net	9,393
Total assets acquired, net	89,265
Mortgage notes payable used to acquire real estate investments	(51,000)
Cash paid for acquired real estate investment	$ 38,265
Number of properties purchased | property	1
Weighted-average remaining amortization period	13 years 4 months 24 days
In-place leases
Acquired intangibles:
In-place leases	$ 7,852
Weighted-average remaining amortization period	13 years 4 months 24 days
Above-market lease assets
Acquired intangibles:
In-place leases	$ 1,541