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, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Cost of share-based payments (non-cash)			$ 526	$ 87
Employee Stock Option [Member]
Intrinsic value of options exercised	$ 5		387	9
Cost of share-based payments (non-cash)	38	$ 35	118	133
Income tax benefit of share-based payments recognized in income	$ 8	$ 8	$ 23	$ 23