Loans and Allowance for Loan Losses (Details 6) (USD $)	3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2014 item	Jun. 30, 2013 item	Jun. 30, 2014 item	Dec. 31, 2013 item
Loans and Allowance for Loan Losses
Total troubled debt restructurings	$ 4,400,000		$ 4,400,000	$ 5,500,000
Commitments to lend additional amounts to customers with outstanding loans that are classified as troubled debt restructurings	0		0	0
Number of Loans	14		14
Number of loans accruing that are classified as troubled debt restructurings			11
Loans accruing that are classified as troubled debt restructurings	3,600,000		3,600,000
Number of loans on nonaccrual status that are classified as troubled debt restructurings			3
Loans on nonaccrual status that are classified as troubled debt restructurings	806,000		806,000
Troubled Debt Restructurings
Number of loans modified as troubled debt restructurings	1
Addition to troubled debt restructurings	0
Number of Loans			14	15
Pre-Modification Outstanding Recorded Investment			5,208,000	4,177,000
Post-Modification Outstanding Recorded Investment			5,209,000	4,189,000
Number of Loans	1	4
Pre-Modification Outstanding Recorded Investment	924,000	795,000
Post-Modification Outstanding Recorded Investment	924,000	1,195,000
Specific allocations reported for the troubled debt restructurings	337,000	1,900,000	337,000	1,100,000
Number of payment defaults reported for troubled debt restructurings	0	0
Troubled debt restructurings charged off	0	0
Total recorded investment for loans modified (other than through troubled debt restructuring)	13,900,000	3,700,000	13,900,000
Commercial
Troubled Debt Restructurings
Number of Loans			6	10
Pre-Modification Outstanding Recorded Investment			3,326,000	2,716,000
Post-Modification Outstanding Recorded Investment			3,326,000	2,716,000
Number of Loans		4
Pre-Modification Outstanding Recorded Investment		795,000
Post-Modification Outstanding Recorded Investment		1,195,000
Commercial real estate: Other
Troubled Debt Restructurings
Number of Loans			3	1
Pre-Modification Outstanding Recorded Investment			1,109,000	604,000
Post-Modification Outstanding Recorded Investment			1,109,000	604,000
Number of Loans	1
Pre-Modification Outstanding Recorded Investment	924,000
Post-Modification Outstanding Recorded Investment	924,000
Residential Real Estate
Troubled Debt Restructurings
Number of Loans			4	3
Pre-Modification Outstanding Recorded Investment			757,000	841,000
Post-Modification Outstanding Recorded Investment			759,000	854,000
Consumer other
Troubled Debt Restructurings
Number of Loans			1	1
Pre-Modification Outstanding Recorded Investment			16,000	16,000
Post-Modification Outstanding Recorded Investment			$ 15,000	$ 15,000