Share-Based Payment Arrangements (Schedule of Options, Grants in Period and Grant Date Intrinsic Value) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Cost of share-based payments (non-cash)			$ 537	$ 221
Employee Stock Option [Member]
Intrinsic value of options exercised	$ 268	$ 9	382	9
Cost of share-based payments (non-cash)	41	50	80	98
Income tax benefit of share-based payments recognized in income	$ 7	$ 7	$ 15	$ 15