Mortgage Servicing Rights (Sensitivity Analysis of Current Fair Value to Changes in Discount and Prepayment Speed Assumptions) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Transfers and Servicing [Abstract]
Effect on fair value of a 10% adverse change	$ (2,255)	$ (1,445)
Effect on fair value of a 20% adverse change	(4,323)	(2,754)
Effect on fair value of a 100 basis point adverse change	(1,832)	(889)
Effect on fair value of a 200 basis point adverse change	$ (3,534)	$ (1,720)