Off-Balance Sheets Activities and Derivatives (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Commitments to grant loans
Loan Commitments
Outstanding financial instruments whose contract amounts represent credit risk	$ 15,041	$ 12,858
Commitments to originate loans to be sold
Loan Commitments
Outstanding financial instruments whose contract amounts represent credit risk	11,161	7,150
Unfunded commitments under home equity lines of credit
Loan Commitments
Outstanding financial instruments whose contract amounts represent credit risk	47,411	46,456
Unfunded commitments under commercial lines of credit
Loan Commitments
Outstanding financial instruments whose contract amounts represent credit risk	12,834	11,315
Unfunded commitments under SBA lines of credit
Loan Commitments
Outstanding financial instruments whose contract amounts represent credit risk	4,329	3,601
Unadvanced funds on construction loans
Loan Commitments
Outstanding financial instruments whose contract amounts represent credit risk	$ 912	$ 3,812