Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Benefit from (provision for) income taxes	$ 280,000	$ (1,250,000)	$ 224,000	$ (3,324,000)
Unrecognized tax benefits	0	0	0	0
Cole Capital Segment [Member]
Segment Reporting Information [Line Items]
Benefit from (provision for) income taxes	2,100,000	1,900,000	3,400,000	1,600,000
REI Segment [Member]
Segment Reporting Information [Line Items]
Benefit from (provision for) income taxes	$ (1,800,000)	$ (3,100,000)	$ (3,200,000)	$ (5,000,000)