Loans - Other (Details) (USD $)	9 Months Ended
	Sep. 30, 2014 item	Jun. 30, 2014	Dec. 31, 2013
Loans and Leases Receivable, Other Information [Abstract]
Number of types of loans	2
Net deferred loan origination fees and unamortized premium and discount	$ 8,200,000		$ 7,100,000
Non-accretable discount on acquired credit impaired loans	285,000		375,000
Accrued interest receivable on loans	3,700,000		3,500,000
Loans classified as held-for-sale		0	0
Other consumer [Member]
Loans and Leases Receivable, Other Information [Abstract]
Deposit Liabilities Reclassified as Loans Receivable	$ 142,000		$ 21,000