Real Estate (Impairments) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Real Estate [Abstract]
Impairment losses – real estate and other charges, net of recoveries	$ (39)	$ 2,190	$ 1,167	$ 2,762