Goodwill and Intangible Assets (Summary of Estimated Future Amortization Expense of Core Deposit Intangibles) (Details) (Core Deposits [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Core Deposits [Member]
Future Amortization Expense For Core Deposit Intangibles
2014	$ 5,963
2015	4,934
2016	4,195
2017	3,361
2018	$ 2,500