Real Estate (Real Estate Impairments) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Real Estate [Abstract]
Impairment losses – real estate and other charges, net of recoveries	$ 10,692	$ 3,635	$ 21,124	$ 9,718