Share-Based Payment Arrangements (Schedule of Options, Grants in Period and Grant Date Intrinsic Value) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cost of share-based payments (non-cash)	$ 110	$ 63
Employee Stock Option [Member]
Intrinsic value of options exercised
Cost of share-based payments (non-cash)	48	63
Income tax benefit of share-based payments recognized in income	$ 8	$ 8