Loan Servicing (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Transfers and Servicing of Financial Assets [Abstract]
Serviced sold mortgage loans	$ 1,270,000	$ 1,270,000	$ 1,270,000	$ 1,270,000	$ 1,270,000
Serviced sold mortgage loans with recourse	5,700	7,600	5,700	7,600	7,000
Mortgage Loans Sold with Recourse, Reserve	827		827		$ 379
Servicing fees included in other service income	$ 800	$ 800	$ 2,500	$ 2,600