Equity (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Schedule of Accumulated Other Comprehensive Income (Loss) [Abstract]
Unrealized appreciation on securities, before tax	$ 32	$ 0	$ 32	$ 0
Tax expense	(12)	0	(12)	0
Unrealized appreciation on securities, net of tax	$ 20	$ 0	$ 20	$ 0