Subsequent Events - Lease Amendment (Details) $ in Millions		3 Months Ended
	Sep. 01, 2019 USD ($) property	Sep. 30, 2019 USD ($)	Jul. 15, 2019 property
Forecast
Subsequent Event [Line Items]
Anticipated write down of properties to fair value less costs to sell | $	$ 7.1
Forecast | Accounts and straight-line rent receivable
Subsequent Event [Line Items]
Expected write-off of accounts and straight-line rent receivable | $		$ 2.4
Forecast | Ohio | Ohio Skilled Nursing Operator
Subsequent Event [Line Items]
Number of properties to be sold	3
Subsequent Events | Iowa | Original Trillium Lease
Subsequent Event [Line Items]
Properties in terminated master lease			10
Subsequent Events | Iowa | New Trillium Lease
Subsequent Event [Line Items]
Properties in new master lease			10
Subsequent Events | Ohio | Original Trillium Lease
Subsequent Event [Line Items]
Properties in terminated master lease			7
Properties operated under post-termination terms			7
Subsequent Events | Georgia | Original Trillium Lease
Subsequent Event [Line Items]
Properties in terminated master lease			1
Subsequent Events | Georgia | New Trillium Lease
Subsequent Event [Line Items]
Properties in new master lease			1