Share-Based Payment Arrangements (Schedule of Options, Grants in Period and Grant Date Intrinsic Value) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Cost of share-based payments (non-cash)			$ (21)	$ 526
Employee Stock Option [Member]
Intrinsic value of options exercised	$ 250	$ 5	250	387
Cost of share-based payments (non-cash)		38	38	118
Income tax benefit of share-based payments recognized in income		$ 8	$ 8	$ 23