Goodwill and Other Intangibles (Estimated Amortization of Intangibles) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Goodwill And Intangible Assets Disclosure Abstract
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Month	$ (3,997)
Finite-Lived Intangible Assets, Amortization Expense, Year Two	(3,098)
Finite-Lived Intangible Assets, Amortization Expense, Year Three	(2,667)
Finite-Lived Intangible Assets, Amortization Expense, Year Four	(2,312)
Finite-Lived Intangible Assets, Amortization Expense, Year Five	(1,897)
Total amortization expense	(13,971)
2013 amortization benefit	4,548
2014 amortization benefit	3,642
2015 amortization benefit	2,794
2016 amortization benefit	2,076
2017 amortization benefit	1,493
Total amortization benefit	14,553
2013 amortization, net	551
2014 amortization, net	544
2015 amortization, net	127
2016 amortization, net	(236)
2017 amortization, net	(404)
Total amortization, net	$ 582