Loans - Impaired Loans Summary (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Impaired loans summary
Nonaccrual loans	$ 2,709,000		$ 2,709,000		$ 1,496,000
Accruing loans past due 90 days or more	52,000		52,000		1,316,000
Restructured loans - nonaccrual	1,948,000		1,948,000		9,864,000
Restructured loans - accruing	3,973,000		3,973,000		4,072,000
Total nonperforming loans	8,682,000		8,682,000		16,748,000
Impaired loans, other infomation
Impaired loans, allowance	1,137,000		1,137,000		4,335,000
Impaired loans, average recorded investment	14,200,000		17,300,000		38,000,000
Nonaccrual loans, interest recognized	56,000	88,000	166,000	219,000
Total nonaccrual loans	4,700,000		4,700,000		11,400,000
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	115,000	127,000	70,000	946,000
Interst collected, nonperforming loans	$ 386,000