Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Shares issued under stock option plan (in shares)	52,258	35,147	500
Stock Based Compensation Income Tax Benefit	$ 103	$ 54
Restricted share activity under Stock Incentive Plans (in shares)	13,087
Shares issued direct purchases (in shares)	2,804	2,768	836
Shares purchased in Treasury auction (in shares)			16,560
Shares purchased in open market (in shares)			20,440
shares repurchased	553,136	70,966