Equity (Schedule of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2018		Jun. 30, 2017	Jun. 30, 2018		Jun. 30, 2017
Schedule of Accumulated Other Comprehensive Income (Loss) [Abstract]
Unrealized appreciation (loss) on securities, before tax	$ 46		$ 32	$ (188)		$ 32
Tax expense	(11)	[1]	(12)	47	[2]	(12)
Unrealized appreciation (loss) on securities, net of tax	$ 35		$ 20	$ (141)		$ 20

[1] Due to the implementation of ASU 2018-02, the tax rate changed from 37.75% to 24.5%.

[2] Due to the implementation of ASU 2018-02, the tax rate changed from 37.75% to 24.5%.