Loan Servicing (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Transfers and Servicing of Financial Assets [Abstract]
Serviced sold mortgage loans	$ 1,260,000,000	$ 1,300,000,000	$ 1,270,000,000
Serviced sold mortgage loans with recourse	6,300,000	9,300,000	7,000,000
Mortgage Loans Sold with Recourse, Reserve	171,000		379,000
Servicing fees included in other service income	$ 800,000	$ 900,000