Fair Value - Level 3 Instruments (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2010
Rollforward of Level 3 Liabilities [Rollforward]
Theshold for individual impairment evaluation	$ 250,000
Other real estate owned	3,267,000	8,738,000
Interest Rate Lock Commitments | Derivative Financial Instruments, Assets
Rollforward of Level 3 Assets [Rollforward]
Ending balance	(23,000)	873,000
Forward loan sale commitments | Derivative Financial Instruments, Assets
Rollforward of Level 3 Assets [Rollforward]
Ending balance	147,000	(481,000)
Level 3 | Interest Rate Swap Agreements | Derivative Financial Instruments, Assets
Rollforward of Level 3 Assets [Rollforward]
Beginning balance	196,000		216,000
Purchases, sales, issuances and settlements	0	0
Gains/losses included in other income	(64,000)	(20,000)
Ending balance	132,000	196,000	216,000
Level 3 | Interest Rate Swap Agreements | Derivative Financial Instruments, Liabilities
Rollforward of Level 3 Liabilities [Rollforward]
Beginning balance	196,000		216,000
Purchases, sales, issuances and settlements	0	0
Gains/lossses included in other income	(64,000)	(20,000)
Ending balance	132,000	196,000	216,000
Level 3 | Interest Rate Lock Commitments | Derivative Financial Instruments, Assets
Rollforward of Level 3 Assets [Rollforward]
Beginning balance	873,000		130,000
Gains/losses included in other income	(896,000)	743,000
Transfer in and out	0	0
Ending balance	(23,000)	873,000	130,000
Level 3 | Mortgage Servicing Rights | Derivative Financial Instruments, Assets
Rollforward of Level 3 Assets [Rollforward]
Beginning balance	2,525,000		1,871,000
Capitalized	1,387,000	1,101,000
Gains/losses included in other income	624,000	(447,000)
Ending balance	$ 4,536,000	$ 2,525,000	$ 1,871,000