Real Estate (Real Estate Impairments) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Real Estate [Abstract]
Impairment losses – real estate and other charges, net of recoveries	$ 7,187	$ 3,835	$ 10,432	$ 6,083