Related Party Transactions (Details) (Directors, their affiliates and executive officers [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Directors, their affiliates and executive officers [Member]
Summary of loan transactions with directors, including their affiliates and executive officers
Balance, beginning of year	$ 23,522	$ 17,469
New loans	9,703	25,824
Less loan payments	(13,032)	(19,771)
Balance, end of year	$ 20,193	$ 23,522