Loan Servicing (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Transfers and Servicing of Financial Assets [Abstract]
Serviced sold mortgage loans	$ 1,270,000,000	$ 1,340,000,000	$ 1,270,000,000	$ 1,340,000,000	$ 1,330,000,000
Serviced sold mortgage loans with recourse	7,600,000	11,500,000	7,600,000	11,500,000	10,700,000
Mortgage Loans Sold with Recourse, Reserve	178,000		178,000		1,000,000
Servicing fees included in other service income	$ 800,000	$ 900,000	$ 2,600,000	$ 2,700,000