Fair Value Measurements (Details) (USD $)	3 Months Ended				9 Months Ended										0 Months Ended	3 Months Ended	9 Months Ended	0 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2013	Mar. 31, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Non-recurring Level 2	Sep. 30, 2014 Non-recurring Level 3	Dec. 31, 2013 Non-recurring Level 3	Sep. 30, 2014 Recurring Level 3 Derivative loan commitments	Dec. 31, 2013 Recurring Level 3 Derivative loan commitments	Sep. 30, 2014 Recurring Level 3 Forward loan sale commitments	Dec. 31, 2013 Recurring Level 3 Forward loan sale commitments	Jul. 02, 2014 Purchase And Sale Agreement Valuation Technique Member Foreclosed real estate	Jun. 30, 2014 Purchase And Sale Agreement Valuation Technique Member Foreclosed real estate	Sep. 30, 2014 Purchase And Sale Agreement Valuation Technique Member Foreclosed real estate	May 31, 2014 Purchase And Sale Agreement Valuation Technique Member Real estate held for sale
Fair value measurements
Assets, Fair Value											$ 120,000			$ 248,000
Liabilities, Fair Value												4,000	8,000
Fair value, Impaired loans (collateral dependent)									1,379,000	987,000
Fair value, Foreclosed real estate	735,000				735,000		1,580,000		735,000	1,170,000
Fair value, Real estate held for sale	5,718,000				5,718,000		3,515,000	1,887,000	3,831,000	3,515,000
Number of properties transferred out of level 3 to level 2																	1
Losses on collateral dependent impaired loans	157,000		91,000		257,000	220,000
Losses on foreclosed real estate	(91,000)		(11,000)	11,000	(129,000)	(230,000)
Proceeds from sale of foreclosed real estate					1,130,000	975,000									1,100,000
Foreclosed property expenses																40,000
Total write-downs losses on real estate held for sale	706,000	393,000	0		1,100,000	482,000												393,000
Proceeds from sale of real estate held for sale																		$ 1,800,000