Net Gain (Loss) on Disposition of Full or Partial Interest in Rental Properties (Tables)

9 Months Ended

Sep. 30, 2015

Net Gain (Loss) on Disposition of Full or Partial Interest in Rental Properties [Abstract]

Schedule of Net Gain (Loss) on Disposition of Full or Partial Interest in Rental Properties [Table Text Block]

The following table summarizes the net gain (loss) on disposition of full or partial interest in rental properties:

		Three Months Ended September 30,					Nine Months Ended September 30,
		2015		2014			2015		2014
		(in thousands)
Office Buildings:
Skylight Office Tower	Cleveland, Ohio	$	1,746	$	—		$	1,746	$	—
Stapleton - 3055 Roslyn	Denver, Colorado	—		(146		)	—		(146		)
Other		—		—			—		(467		)
		$	1,746	$	(146	)	$	1,746	$	(613	)