Subsequent Events - Narrative (Details) - Subsequent Event $ in Thousands	1 Months Ended
	Jul. 31, 2019 USD ($)
850 Greenbriar Circle
Subsequent Event [Line Items]
Proceeds from sale of real estate	$ 10,500
Kroger at Foothill Plaza
Subsequent Event [Line Items]
Proceeds from sale of real estate	2,350
The Forum at Grandview
Subsequent Event [Line Items]
Proceeds from sale of real estate	31,750
Barnes & Noble at High Point
Subsequent Event [Line Items]
Proceeds from sale of real estate	$ 2,000