Summary of Significant Accounting Policies (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($) loan	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) loan	Jun. 30, 2019 USD ($)
Accounting Policies [Abstract]
Gross real estate taxes offset to rental income | $	$ 0.8	$ 0.5	$ 1.6	$ 1.3
Number of mortgage loans receivable | loan	1		1