Share-Based Payment Arrangements (Summary of the Status of Stock Options) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Share-Based Payment Arrangements [Abstract]
Stock Options, Outstanding at January 1, 2014	1,387,489
Stock Options, Granted		0
Stock Options, Exercised
Stock Options, Outstanding at March 31, 2014	1,387,489
Stock Options, Exercisable at March 31, 2014	1,181,417
Weighted Average Exercise Price, Outstanding at January 1, 2014	$ 9.66
Weighted Average Exercise Price, Outstanding at March 31, 2014	$ 9.66
Weighted Average Exercise Price, Exercisable at March 31, 2014	$ 10.19
Average Remaining Contractual Term, Outstanding at March 31, 2014	4 years
Average Remaining Contractual Term, Exercisable at March 31, 2014	3 years 9 months 18 days
Aggregate Intrinsic Value, Outstanding at March 31, 2014	$ 978
Aggregate Intrinsic Value, Exercisable at March 31, 2014	$ 633